1327.5% is the change from 40 to 571
Calculation steps:
[( 571 - 40 ) ÷ 40] x 100 = 1327.5%
Formula
Percentage change = [(571 - 40) / 40] x 100
Subtract the new number by the original number
571 - 40 = 531
531 ÷ 40 = 13.275
13.275 x 100 = 1327.5%
Example