-81.93% is the change from 786 to 142
Calculation steps:
[( 142 - 786 ) ÷ 786] x 100 = -81.93%
Formula
Percentage change = [(142 - 786) / 786] x 100
Subtract the new number by the original number
142 - 786 = -644
-644 ÷ 786 = -0.8193384223918575
-0.8193384223918575 x 100 = -81.93%