-66.19% is the change from 556 to 188
Calculation steps:
[( 188 - 556 ) ÷ 556] x 100 = -66.19%
Formula
Percentage change = [(188 - 556) / 556] x 100
Subtract the new number by the original number
188 - 556 = -368
-368 ÷ 556 = -0.6618705035971223
-0.6618705035971223 x 100 = -66.19%