-90.85% is the change from 929 to 85
Calculation steps:
[( 85 - 929 ) ÷ 929] x 100 = -90.85%
Formula
Percentage change = [(85 - 929) / 929] x 100
Subtract the new number by the original number
85 - 929 = -844
-844 ÷ 929 = -0.9085037674919269
-0.9085037674919269 x 100 = -90.85%