-79.69% is the change from 783 to 159
Calculation steps:
[( 159 - 783 ) ÷ 783] x 100 = -79.69%
Formula
Percentage change = [(159 - 783) / 783] x 100
Subtract the new number by the original number
159 - 783 = -624
-624 ÷ 783 = -0.7969348659003831
-0.7969348659003831 x 100 = -79.69%