-55.73% is the change from 192 to 85
Calculation steps:
[( 85 - 192 ) ÷ 192] x 100 = -55.73%
Formula
Percentage change = [(85 - 192) / 192] x 100
Subtract the new number by the original number
85 - 192 = -107
-107 ÷ 192 = -0.5572916666666666
-0.5572916666666666 x 100 = -55.73%