-20.55% is the change from 793 to 630
Calculation steps:
[( 630 - 793 ) ÷ 793] x 100 = -20.55%
Formula
Percentage change = [(630 - 793) / 793] x 100
Subtract the new number by the original number
630 - 793 = -163
-163 ÷ 793 = -0.2055485498108449
-0.2055485498108449 x 100 = -20.55%