812.5% is the change from 40 to 365
Calculation steps:
[( 365 - 40 ) ÷ 40] x 100 = 812.5%
Formula
Percentage change = [(365 - 40) / 40] x 100
Subtract the new number by the original number
365 - 40 = 325
325 ÷ 40 = 8.125
8.125 x 100 = 812.5%
Example