-68.94% is the change from 557 to 173
Calculation steps:
[( 173 - 557 ) ÷ 557] x 100 = -68.94%
Formula
Percentage change = [(173 - 557) / 557] x 100
Subtract the new number by the original number
173 - 557 = -384
-384 ÷ 557 = -0.6894075403949731
-0.6894075403949731 x 100 = -68.94%