-80.57% is the change from 561 to 109
Calculation steps:
[( 109 - 561 ) ÷ 561] x 100 = -80.57%
Formula
Percentage change = [(109 - 561) / 561] x 100
Subtract the new number by the original number
109 - 561 = -452
-452 ÷ 561 = -0.8057040998217468
-0.8057040998217468 x 100 = -80.57%