2055% is the change from 40 to 862
Calculation steps:
[( 862 - 40 ) ÷ 40] x 100 = 2055%
Formula
Percentage change = [(862 - 40) / 40] x 100
Subtract the new number by the original number
862 - 40 = 822
822 ÷ 40 = 20.55
20.55 x 100 = 2055%
Example