-81.3% is the change from 583 to 109
Calculation steps:
[( 109 - 583 ) ÷ 583] x 100 = -81.3%
Formula
Percentage change = [(109 - 583) / 583] x 100
Subtract the new number by the original number
109 - 583 = -474
-474 ÷ 583 = -0.8130360205831904
-0.8130360205831904 x 100 = -81.3%