315.09% is the change from 159 to 660
Calculation steps:
[( 660 - 159 ) ÷ 159] x 100 = 315.09%
Formula
Percentage change = [(660 - 159) / 159] x 100
Subtract the new number by the original number
660 - 159 = 501
501 ÷ 159 = 3.150943396226415
3.150943396226415 x 100 = 315.09%