83.33% is the change from 360 to 660
Calculation steps:
[( 660 - 360 ) ÷ 360] x 100 = 83.33%
Formula
Percentage change = [(660 - 360) / 360] x 100
Subtract the new number by the original number
660 - 360 = 300
300 ÷ 360 = 0.8333333333333334
0.8333333333333334 x 100 = 83.33%