-86.76% is the change from 204 to 27
Calculation steps:
[( 27 - 204 ) ÷ 204] x 100 = -86.76%
Formula
Percentage change = [(27 - 204) / 204] x 100
Subtract the new number by the original number
27 - 204 = -177
-177 ÷ 204 = -0.8676470588235294
-0.8676470588235294 x 100 = -86.76%