-29.48% is the change from 173 to 122
Calculation steps:
[( 122 - 173 ) ÷ 173] x 100 = -29.48%
Formula
Percentage change = [(122 - 173) / 173] x 100
Subtract the new number by the original number
122 - 173 = -51
-51 ÷ 173 = -0.2947976878612717
-0.2947976878612717 x 100 = -29.48%