-16.83% is the change from 630 to 524
Calculation steps:
[( 524 - 630 ) ÷ 630] x 100 = -16.83%
Formula
Percentage change = [(524 - 630) / 630] x 100
Subtract the new number by the original number
524 - 630 = -106
-106 ÷ 630 = -0.16825396825396827
-0.16825396825396827 x 100 = -16.83%