-90.95% is the change from 630 to 57
Calculation steps:
[( 57 - 630 ) ÷ 630] x 100 = -90.95%
Formula
Percentage change = [(57 - 630) / 630] x 100
Subtract the new number by the original number
57 - 630 = -573
-573 ÷ 630 = -0.9095238095238095
-0.9095238095238095 x 100 = -90.95%