1760% is the change from 40 to 744
Calculation steps:
[( 744 - 40 ) ÷ 40] x 100 = 1760%
Formula
Percentage change = [(744 - 40) / 40] x 100
Subtract the new number by the original number
744 - 40 = 704
704 ÷ 40 = 17.6
17.6 x 100 = 1760%
Example