1830% is the change from 40 to 772
Calculation steps:
[( 772 - 40 ) ÷ 40] x 100 = 1830%
Formula
Percentage change = [(772 - 40) / 40] x 100
Subtract the new number by the original number
772 - 40 = 732
732 ÷ 40 = 18.3
18.3 x 100 = 1830%
Example