-22.87% is the change from 223 to 172
Calculation steps:
[( 172 - 223 ) ÷ 223] x 100 = -22.87%
Formula
Percentage change = [(172 - 223) / 223] x 100
Subtract the new number by the original number
172 - 223 = -51
-51 ÷ 223 = -0.22869955156950672
-0.22869955156950672 x 100 = -22.87%