-86.01% is the change from 193 to 27
Calculation steps:
[( 27 - 193 ) ÷ 193] x 100 = -86.01%
Formula
Percentage change = [(27 - 193) / 193] x 100
Subtract the new number by the original number
27 - 193 = -166
-166 ÷ 193 = -0.8601036269430051
-0.8601036269430051 x 100 = -86.01%