10% is the change from 480 to 528
Calculation steps:
[( 528 - 480 ) ÷ 480] x 100 = 10%
Formula
Percentage change = [(528 - 480) / 480] x 100
Subtract the new number by the original number
528 - 480 = 48
48 ÷ 480 = 0.1
0.1 x 100 = 10%
Example