-55.98% is the change from 393 to 173
Calculation steps:
[( 173 - 393 ) ÷ 393] x 100 = -55.98%
Formula
Percentage change = [(173 - 393) / 393] x 100
Subtract the new number by the original number
173 - 393 = -220
-220 ÷ 393 = -0.5597964376590331
-0.5597964376590331 x 100 = -55.98%