-81.86% is the change from 783 to 142
Calculation steps:
[( 142 - 783 ) ÷ 783] x 100 = -81.86%
Formula
Percentage change = [(142 - 783) / 783] x 100
Subtract the new number by the original number
142 - 783 = -641
-641 ÷ 783 = -0.8186462324393359
-0.8186462324393359 x 100 = -81.86%