1867.5% is the change from 40 to 787
Calculation steps:
[( 787 - 40 ) ÷ 40] x 100 = 1867.5%
Formula
Percentage change = [(787 - 40) / 40] x 100
Subtract the new number by the original number
787 - 40 = 747
747 ÷ 40 = 18.675
18.675 x 100 = 1867.5%
Example