-66.55% is the change from 556 to 186
Calculation steps:
[( 186 - 556 ) ÷ 556] x 100 = -66.55%
Formula
Percentage change = [(186 - 556) / 556] x 100
Subtract the new number by the original number
186 - 556 = -370
-370 ÷ 556 = -0.6654676258992805
-0.6654676258992805 x 100 = -66.55%