1137.5% is the change from 40 to 495
Calculation steps:
[( 495 - 40 ) ÷ 40] x 100 = 1137.5%
Formula
Percentage change = [(495 - 40) / 40] x 100
Subtract the new number by the original number
495 - 40 = 455
455 ÷ 40 = 11.375
11.375 x 100 = 1137.5%
Example