-18.74% is the change from 779 to 633
Calculation steps:
[( 633 - 779 ) ÷ 779] x 100 = -18.74%
Formula
Percentage change = [(633 - 779) / 779] x 100
Subtract the new number by the original number
633 - 779 = -146
-146 ÷ 779 = -0.18741976893453144
-0.18741976893453144 x 100 = -18.74%