-32.57% is the change from 826 to 557
Calculation steps:
[( 557 - 826 ) ÷ 826] x 100 = -32.57%
Formula
Percentage change = [(557 - 826) / 826] x 100
Subtract the new number by the original number
557 - 826 = -269
-269 ÷ 826 = -0.32566585956416466
-0.32566585956416466 x 100 = -32.57%