-32.65% is the change from 827 to 557
Calculation steps:
[( 557 - 827 ) ÷ 827] x 100 = -32.65%
Formula
Percentage change = [(557 - 827) / 827] x 100
Subtract the new number by the original number
557 - 827 = -270
-270 ÷ 827 = -0.3264812575574365
-0.3264812575574365 x 100 = -32.65%