7.5% is the change from 360 to 387
Calculation steps:
[( 387 - 360 ) ÷ 360] x 100 = 7.5%
Formula
Percentage change = [(387 - 360) / 360] x 100
Subtract the new number by the original number
387 - 360 = 27
27 ÷ 360 = 0.075
0.075 x 100 = 7.5%
Example