-31.57% is the change from 814 to 557
Calculation steps:
[( 557 - 814 ) ÷ 814] x 100 = -31.57%
Formula
Percentage change = [(557 - 814) / 814] x 100
Subtract the new number by the original number
557 - 814 = -257
-257 ÷ 814 = -0.3157248157248157
-0.3157248157248157 x 100 = -31.57%