-18.1% is the change from 630 to 516
Calculation steps:
[( 516 - 630 ) ÷ 630] x 100 = -18.1%
Formula
Percentage change = [(516 - 630) / 630] x 100
Subtract the new number by the original number
516 - 630 = -114
-114 ÷ 630 = -0.18095238095238095
-0.18095238095238095 x 100 = -18.1%