-81.82% is the change from 781 to 142
Calculation steps:
[( 142 - 781 ) ÷ 781] x 100 = -81.82%
Formula
Percentage change = [(142 - 781) / 781] x 100
Subtract the new number by the original number
142 - 781 = -639
-639 ÷ 781 = -0.8181818181818182
-0.8181818181818182 x 100 = -81.82%