316.25% is the change from 160 to 666
Calculation steps:
[( 666 - 160 ) ÷ 160] x 100 = 316.25%
Formula
Percentage change = [(666 - 160) / 160] x 100
Subtract the new number by the original number
666 - 160 = 506
506 ÷ 160 = 3.1625
3.1625 x 100 = 316.25%