2280% is the change from 40 to 952
Calculation steps:
[( 952 - 40 ) ÷ 40] x 100 = 2280%
Formula
Percentage change = [(952 - 40) / 40] x 100
Subtract the new number by the original number
952 - 40 = 912
912 ÷ 40 = 22.8
22.8 x 100 = 2280%
Example