75% is the change from 360 to 630
Calculation steps:
[( 630 - 360 ) ÷ 360] x 100 = 75%
Formula
Percentage change = [(630 - 360) / 360] x 100
Subtract the new number by the original number
630 - 360 = 270
270 ÷ 360 = 0.75
0.75 x 100 = 75%
Example