-96.61% is the change from 561 to 19
Calculation steps:
[( 19 - 561 ) ÷ 561] x 100 = -96.61%
Formula
Percentage change = [(19 - 561) / 561] x 100
Subtract the new number by the original number
19 - 561 = -542
-542 ÷ 561 = -0.966131907308378
-0.966131907308378 x 100 = -96.61%