70% is the change from 360 to 612
Calculation steps:
[( 612 - 360 ) ÷ 360] x 100 = 70%
Formula
Percentage change = [(612 - 360) / 360] x 100
Subtract the new number by the original number
612 - 360 = 252
252 ÷ 360 = 0.7
0.7 x 100 = 70%
Example