-96.59% is the change from 558 to 19
Calculation steps:
[( 19 - 558 ) ÷ 558] x 100 = -96.59%
Formula
Percentage change = [(19 - 558) / 558] x 100
Subtract the new number by the original number
19 - 558 = -539
-539 ÷ 558 = -0.9659498207885304
-0.9659498207885304 x 100 = -96.59%