-76.83% is the change from 630 to 146
Calculation steps:
[( 146 - 630 ) ÷ 630] x 100 = -76.83%
Formula
Percentage change = [(146 - 630) / 630] x 100
Subtract the new number by the original number
146 - 630 = -484
-484 ÷ 630 = -0.7682539682539683
-0.7682539682539683 x 100 = -76.83%