2140% is the change from 40 to 896
Calculation steps:
[( 896 - 40 ) ÷ 40] x 100 = 2140%
Formula
Percentage change = [(896 - 40) / 40] x 100
Subtract the new number by the original number
896 - 40 = 856
856 ÷ 40 = 21.4
21.4 x 100 = 2140%
Example