-81.97% is the change from 854 to 154
Calculation steps:
[( 154 - 854 ) ÷ 854] x 100 = -81.97%
Formula
Percentage change = [(154 - 854) / 854] x 100
Subtract the new number by the original number
154 - 854 = -700
-700 ÷ 854 = -0.819672131147541
-0.819672131147541 x 100 = -81.97%