2145% is the change from 40 to 898
Calculation steps:
[( 898 - 40 ) ÷ 40] x 100 = 2145%
Formula
Percentage change = [(898 - 40) / 40] x 100
Subtract the new number by the original number
898 - 40 = 858
858 ÷ 40 = 21.45
21.45 x 100 = 2145%
Example