If decreasing 110 by x% gives the same result as increasing

If decreasing 110 by x% gives the same result as increasing 600 ka result 600 · Tables 600 to 700 · Tables 700 to 800 · Tables 800 to 900 · Tables 900 to Now, multiply the result by 100 × 100 = 15 Therefore, 320 = 15 600 ka result For some reason if my inputs are 600 and 200, my result suppose to be but I'm getting If I hard code my values this works fine

600 টার রেজাল্ট Answer: 145 Explanation: Marks = 600 30% of 600 = 180 Student failed by 30 marks so the marks he got in exam are 180 -35 =145