-33.53% is the change from 838 to 557
Calculation steps:
[( 557 - 838 ) ÷ 838] x 100 = -33.53%
Formula
Percentage change = [(557 - 838) / 838] x 100
Subtract the new number by the original number
557 - 838 = -281
-281 ÷ 838 = -0.3353221957040573
-0.3353221957040573 x 100 = -33.53%