-49.13% is the change from 173 to 88
Calculation steps:
[( 88 - 173 ) ÷ 173] x 100 = -49.13%
Formula
Percentage change = [(88 - 173) / 173] x 100
Subtract the new number by the original number
88 - 173 = -85
-85 ÷ 173 = -0.4913294797687861
-0.4913294797687861 x 100 = -49.13%