-85.71% is the change from 189 to 27
Calculation steps:
[( 27 - 189 ) ÷ 189] x 100 = -85.71%
Formula
Percentage change = [(27 - 189) / 189] x 100
Subtract the new number by the original number
27 - 189 = -162
-162 ÷ 189 = -0.8571428571428571
-0.8571428571428571 x 100 = -85.71%