-68.79% is the change from 173 to 54
Calculation steps:
[( 54 - 173 ) ÷ 173] x 100 = -68.79%
Formula
Percentage change = [(54 - 173) / 173] x 100
Subtract the new number by the original number
54 - 173 = -119
-119 ÷ 173 = -0.6878612716763006
-0.6878612716763006 x 100 = -68.79%