-28.1% is the change from 630 to 453
Calculation steps:
[( 453 - 630 ) ÷ 630] x 100 = -28.1%
Formula
Percentage change = [(453 - 630) / 630] x 100
Subtract the new number by the original number
453 - 630 = -177
-177 ÷ 630 = -0.28095238095238095
-0.28095238095238095 x 100 = -28.1%