-15.27% is the change from 203 to 172
Calculation steps:
[( 172 - 203 ) ÷ 203] x 100 = -15.27%
Formula
Percentage change = [(172 - 203) / 203] x 100
Subtract the new number by the original number
172 - 203 = -31
-31 ÷ 203 = -0.15270935960591134
-0.15270935960591134 x 100 = -15.27%