2110% is the change from 40 to 884
Calculation steps:
[( 884 - 40 ) ÷ 40] x 100 = 2110%
Formula
Percentage change = [(884 - 40) / 40] x 100
Subtract the new number by the original number
884 - 40 = 844
844 ÷ 40 = 21.1
21.1 x 100 = 2110%
Example