-85.19% is the change from 189 to 28
Calculation steps:
[( 28 - 189 ) ÷ 189] x 100 = -85.19%
Formula
Percentage change = [(28 - 189) / 189] x 100
Subtract the new number by the original number
28 - 189 = -161
-161 ÷ 189 = -0.8518518518518519
-0.8518518518518519 x 100 = -85.19%