315.72% is the change from 159 to 661
Calculation steps:
[( 661 - 159 ) ÷ 159] x 100 = 315.72%
Formula
Percentage change = [(661 - 159) / 159] x 100
Subtract the new number by the original number
661 - 159 = 502
502 ÷ 159 = 3.157232704402516
3.157232704402516 x 100 = 315.72%