-83.96% is the change from 848 to 136
Calculation steps:
[( 136 - 848 ) ÷ 848] x 100 = -83.96%
Formula
Percentage change = [(136 - 848) / 848] x 100
Subtract the new number by the original number
136 - 848 = -712
-712 ÷ 848 = -0.839622641509434
-0.839622641509434 x 100 = -83.96%