-80.52% is the change from 801 to 156
Calculation steps:
[( 156 - 801 ) ÷ 801] x 100 = -80.52%
Formula
Percentage change = [(156 - 801) / 801] x 100
Subtract the new number by the original number
156 - 801 = -645
-645 ÷ 801 = -0.8052434456928839
-0.8052434456928839 x 100 = -80.52%