85% is the change from 360 to 666
Calculation steps:
[( 666 - 360 ) ÷ 360] x 100 = 85%
Formula
Percentage change = [(666 - 360) / 360] x 100
Subtract the new number by the original number
666 - 360 = 306
306 ÷ 360 = 0.85
0.85 x 100 = 85%
Example