2035% is the change from 40 to 854
Calculation steps:
[( 854 - 40 ) ÷ 40] x 100 = 2035%
Formula
Percentage change = [(854 - 40) / 40] x 100
Subtract the new number by the original number
854 - 40 = 814
814 ÷ 40 = 20.35
20.35 x 100 = 2035%
Example