-11.86% is the change from 194 to 171
Calculation steps:
[( 171 - 194 ) ÷ 194] x 100 = -11.86%
Formula
Percentage change = [(171 - 194) / 194] x 100
Subtract the new number by the original number
171 - 194 = -23
-23 ÷ 194 = -0.11855670103092783
-0.11855670103092783 x 100 = -11.86%