-21.55% is the change from 993 to 779
Calculation steps:
[( 779 - 993 ) ÷ 993] x 100 = -21.55%
Formula
Percentage change = [(779 - 993) / 993] x 100
Subtract the new number by the original number
779 - 993 = -214
-214 ÷ 993 = -0.21550855991943604
-0.21550855991943604 x 100 = -21.55%