-96.59% is the change from 557 to 19
Calculation steps:
[( 19 - 557 ) ÷ 557] x 100 = -96.59%
Formula
Percentage change = [(19 - 557) / 557] x 100
Subtract the new number by the original number
19 - 557 = -538
-538 ÷ 557 = -0.9658886894075404
-0.9658886894075404 x 100 = -96.59%