-85.48% is the change from 186 to 27
Calculation steps:
[( 27 - 186 ) ÷ 186] x 100 = -85.48%
Formula
Percentage change = [(27 - 186) / 186] x 100
Subtract the new number by the original number
27 - 186 = -159
-159 ÷ 186 = -0.8548387096774194
-0.8548387096774194 x 100 = -85.48%