-81.62% is the change from 778 to 143
Calculation steps:
[( 143 - 778 ) ÷ 778] x 100 = -81.62%
Formula
Percentage change = [(143 - 778) / 778] x 100
Subtract the new number by the original number
143 - 778 = -635
-635 ÷ 778 = -0.8161953727506427
-0.8161953727506427 x 100 = -81.62%