-8.25% is the change from 630 to 578
Calculation steps:
[( 578 - 630 ) ÷ 630] x 100 = -8.25%
Formula
Percentage change = [(578 - 630) / 630] x 100
Subtract the new number by the original number
578 - 630 = -52
-52 ÷ 630 = -0.08253968253968254
-0.08253968253968254 x 100 = -8.25%