-53.76% is the change from 173 to 80
Calculation steps:
[( 80 - 173 ) ÷ 173] x 100 = -53.76%
Formula
Percentage change = [(80 - 173) / 173] x 100
Subtract the new number by the original number
80 - 173 = -93
-93 ÷ 173 = -0.5375722543352601
-0.5375722543352601 x 100 = -53.76%