-6.56% is the change from 183 to 171
Calculation steps:
[( 171 - 183 ) ÷ 183] x 100 = -6.56%
Formula
Percentage change = [(171 - 183) / 183] x 100
Subtract the new number by the original number
171 - 183 = -12
-12 ÷ 183 = -0.06557377049180328
-0.06557377049180328 x 100 = -6.56%