-90.99% is the change from 943 to 85
Calculation steps:
[( 85 - 943 ) ÷ 943] x 100 = -90.99%
Formula
Percentage change = [(85 - 943) / 943] x 100
Subtract the new number by the original number
85 - 943 = -858
-858 ÷ 943 = -0.9098621420996819
-0.9098621420996819 x 100 = -90.99%