-16.19% is the change from 630 to 528
Calculation steps:
[( 528 - 630 ) ÷ 630] x 100 = -16.19%
Formula
Percentage change = [(528 - 630) / 630] x 100
Subtract the new number by the original number
528 - 630 = -102
-102 ÷ 630 = -0.1619047619047619
-0.1619047619047619 x 100 = -16.19%