-80.5% is the change from 559 to 109
Calculation steps:
[( 109 - 559 ) ÷ 559] x 100 = -80.5%
Formula
Percentage change = [(109 - 559) / 559] x 100
Subtract the new number by the original number
109 - 559 = -450
-450 ÷ 559 = -0.8050089445438283
-0.8050089445438283 x 100 = -80.5%