-12.76% is the change from 196 to 171
Calculation steps:
[( 171 - 196 ) ÷ 196] x 100 = -12.76%
Formula
Percentage change = [(171 - 196) / 196] x 100
Subtract the new number by the original number
171 - 196 = -25
-25 ÷ 196 = -0.12755102040816327
-0.12755102040816327 x 100 = -12.76%