1767.5% is the change from 40 to 747
Calculation steps:
[( 747 - 40 ) ÷ 40] x 100 = 1767.5%
Formula
Percentage change = [(747 - 40) / 40] x 100
Subtract the new number by the original number
747 - 40 = 707
707 ÷ 40 = 17.675
17.675 x 100 = 1767.5%
Example