-91.03% is the change from 948 to 85
Calculation steps:
[( 85 - 948 ) ÷ 948] x 100 = -91.03%
Formula
Percentage change = [(85 - 948) / 948] x 100
Subtract the new number by the original number
85 - 948 = -863
-863 ÷ 948 = -0.9103375527426161
-0.9103375527426161 x 100 = -91.03%