-81.7% is the change from 776 to 142
Calculation steps:
[( 142 - 776 ) ÷ 776] x 100 = -81.7%
Formula
Percentage change = [(142 - 776) / 776] x 100
Subtract the new number by the original number
142 - 776 = -634
-634 ÷ 776 = -0.8170103092783505
-0.8170103092783505 x 100 = -81.7%