-68.17% is the change from 556 to 177
Calculation steps:
[( 177 - 556 ) ÷ 556] x 100 = -68.17%
Formula
Percentage change = [(177 - 556) / 556] x 100
Subtract the new number by the original number
177 - 556 = -379
-379 ÷ 556 = -0.6816546762589928
-0.6816546762589928 x 100 = -68.17%