-21.94% is the change from 556 to 434
Calculation steps:
[( 434 - 556 ) ÷ 556] x 100 = -21.94%
Formula
Percentage change = [(434 - 556) / 556] x 100
Subtract the new number by the original number
434 - 556 = -122
-122 ÷ 556 = -0.21942446043165467
-0.21942446043165467 x 100 = -21.94%