-91.13% is the change from 958 to 85
Calculation steps:
[( 85 - 958 ) ÷ 958] x 100 = -91.13%
Formula
Percentage change = [(85 - 958) / 958] x 100
Subtract the new number by the original number
85 - 958 = -873
-873 ÷ 958 = -0.9112734864300627
-0.9112734864300627 x 100 = -91.13%