-80.91% is the change from 854 to 163
Calculation steps:
[( 163 - 854 ) ÷ 854] x 100 = -80.91%
Formula
Percentage change = [(163 - 854) / 854] x 100
Subtract the new number by the original number
163 - 854 = -691
-691 ÷ 854 = -0.8091334894613583
-0.8091334894613583 x 100 = -80.91%