1509.76% is the change from 41 to 660
Calculation steps:
[( 660 - 41 ) ÷ 41] x 100 = 1509.76%
Formula
Percentage change = [(660 - 41) / 41] x 100
Subtract the new number by the original number
660 - 41 = 619
619 ÷ 41 = 15.097560975609756
15.097560975609756 x 100 = 1509.76%