2115% is the change from 40 to 886
Calculation steps:
[( 886 - 40 ) ÷ 40] x 100 = 2115%
Formula
Percentage change = [(886 - 40) / 40] x 100
Subtract the new number by the original number
886 - 40 = 846
846 ÷ 40 = 21.15
21.15 x 100 = 2115%
Example