2107.5% is the change from 40 to 883
Calculation steps:
[( 883 - 40 ) ÷ 40] x 100 = 2107.5%
Formula
Percentage change = [(883 - 40) / 40] x 100
Subtract the new number by the original number
883 - 40 = 843
843 ÷ 40 = 21.075
21.075 x 100 = 2107.5%
Example