357.5% is the change from 200 to 915
Calculation steps:
[( 915 - 200 ) ÷ 200] x 100 = 357.5%
Formula
Percentage change = [(915 - 200) / 200] x 100
Subtract the new number by the original number
915 - 200 = 715
715 ÷ 200 = 3.575
3.575 x 100 = 357.5%
Example