-49.1% is the change from 167 to 85
Calculation steps:
[( 85 - 167 ) ÷ 167] x 100 = -49.1%
Formula
Percentage change = [(85 - 167) / 167] x 100
Subtract the new number by the original number
85 - 167 = -82
-82 ÷ 167 = -0.49101796407185627
-0.49101796407185627 x 100 = -49.1%