1007.5% is the change from 40 to 443
Calculation steps:
[( 443 - 40 ) ÷ 40] x 100 = 1007.5%
Formula
Percentage change = [(443 - 40) / 40] x 100
Subtract the new number by the original number
443 - 40 = 403
403 ÷ 40 = 10.075
10.075 x 100 = 1007.5%
Example