1355% is the change from 40 to 582
Calculation steps:
[( 582 - 40 ) ÷ 40] x 100 = 1355%
Formula
Percentage change = [(582 - 40) / 40] x 100
Subtract the new number by the original number
582 - 40 = 542
542 ÷ 40 = 13.55
13.55 x 100 = 1355%
Example