19.32% is the change from 528 to 630
Calculation steps:
[( 630 - 528 ) ÷ 528] x 100 = 19.32%
Formula
Percentage change = [(630 - 528) / 528] x 100
Subtract the new number by the original number
630 - 528 = 102
102 ÷ 528 = 0.19318181818181818
0.19318181818181818 x 100 = 19.32%