1755% is the change from 40 to 742
Calculation steps:
[( 742 - 40 ) ÷ 40] x 100 = 1755%
Formula
Percentage change = [(742 - 40) / 40] x 100
Subtract the new number by the original number
742 - 40 = 702
702 ÷ 40 = 17.55
17.55 x 100 = 1755%
Example