1527.5% is the change from 40 to 651
Calculation steps:
[( 651 - 40 ) ÷ 40] x 100 = 1527.5%
Formula
Percentage change = [(651 - 40) / 40] x 100
Subtract the new number by the original number
651 - 40 = 611
611 ÷ 40 = 15.275
15.275 x 100 = 1527.5%
Example