-80.02% is the change from 811 to 162
Calculation steps:
[( 162 - 811 ) ÷ 811] x 100 = -80.02%
Formula
Percentage change = [(162 - 811) / 811] x 100
Subtract the new number by the original number
162 - 811 = -649
-649 ÷ 811 = -0.8002466091245376
-0.8002466091245376 x 100 = -80.02%