-33.21% is the change from 834 to 557
Calculation steps:
[( 557 - 834 ) ÷ 834] x 100 = -33.21%
Formula
Percentage change = [(557 - 834) / 834] x 100
Subtract the new number by the original number
557 - 834 = -277
-277 ÷ 834 = -0.33213429256594723
-0.33213429256594723 x 100 = -33.21%