-22.54% is the change from 173 to 134
Calculation steps:
[( 134 - 173 ) ÷ 173] x 100 = -22.54%
Formula
Percentage change = [(134 - 173) / 173] x 100
Subtract the new number by the original number
134 - 173 = -39
-39 ÷ 173 = -0.2254335260115607
-0.2254335260115607 x 100 = -22.54%