1692.5% is the change from 40 to 717
Calculation steps:
[( 717 - 40 ) ÷ 40] x 100 = 1692.5%
Formula
Percentage change = [(717 - 40) / 40] x 100
Subtract the new number by the original number
717 - 40 = 677
677 ÷ 40 = 16.925
16.925 x 100 = 1692.5%
Example