-23.98% is the change from 171 to 130
Calculation steps:
[( 130 - 171 ) ÷ 171] x 100 = -23.98%
Formula
Percentage change = [(130 - 171) / 171] x 100
Subtract the new number by the original number
130 - 171 = -41
-41 ÷ 171 = -0.23976608187134502
-0.23976608187134502 x 100 = -23.98%