-64.33% is the change from 485 to 173
Calculation steps:
[( 173 - 485 ) ÷ 485] x 100 = -64.33%
Formula
Percentage change = [(173 - 485) / 485] x 100
Subtract the new number by the original number
173 - 485 = -312
-312 ÷ 485 = -0.643298969072165
-0.643298969072165 x 100 = -64.33%