-99.1% is the change from 557 to 5
Calculation steps:
[( 5 - 557 ) ÷ 557] x 100 = -99.1%
Formula
Percentage change = [(5 - 557) / 557] x 100
Subtract the new number by the original number
5 - 557 = -552
-552 ÷ 557 = -0.9910233393177738
-0.9910233393177738 x 100 = -99.1%