-80.95% is the change from 861 to 164
Calculation steps:
[( 164 - 861 ) ÷ 861] x 100 = -80.95%
Formula
Percentage change = [(164 - 861) / 861] x 100
Subtract the new number by the original number
164 - 861 = -697
-697 ÷ 861 = -0.8095238095238095
-0.8095238095238095 x 100 = -80.95%