-21.31% is the change from 793 to 624
Calculation steps:
[( 624 - 793 ) ÷ 793] x 100 = -21.31%
Formula
Percentage change = [(624 - 793) / 793] x 100
Subtract the new number by the original number
624 - 793 = -169
-169 ÷ 793 = -0.21311475409836064
-0.21311475409836064 x 100 = -21.31%