-56.07% is the change from 173 to 76
Calculation steps:
[( 76 - 173 ) ÷ 173] x 100 = -56.07%
Formula
Percentage change = [(76 - 173) / 173] x 100
Subtract the new number by the original number
76 - 173 = -97
-97 ÷ 173 = -0.5606936416184971
-0.5606936416184971 x 100 = -56.07%