-60.43% is the change from 556 to 220
Calculation steps:
[( 220 - 556 ) ÷ 556] x 100 = -60.43%
Formula
Percentage change = [(220 - 556) / 556] x 100
Subtract the new number by the original number
220 - 556 = -336
-336 ÷ 556 = -0.60431654676259
-0.60431654676259 x 100 = -60.43%