250% is the change from 36 to 126
Calculation steps:
[( 126 - 36 ) ÷ 36] x 100 = 250%
Formula
Percentage change = [(126 - 36) / 36] x 100
Subtract the new number by the original number
126 - 36 = 90
90 ÷ 36 = 2.5
2.5 x 100 = 250%
Example