-81.75% is the change from 778 to 142
Calculation steps:
[( 142 - 778 ) ÷ 778] x 100 = -81.75%
Formula
Percentage change = [(142 - 778) / 778] x 100
Subtract the new number by the original number
142 - 778 = -636
-636 ÷ 778 = -0.8174807197943444
-0.8174807197943444 x 100 = -81.75%