-80.74% is the change from 566 to 109
Calculation steps:
[( 109 - 566 ) ÷ 566] x 100 = -80.74%
Formula
Percentage change = [(109 - 566) / 566] x 100
Subtract the new number by the original number
109 - 566 = -457
-457 ÷ 566 = -0.8074204946996466
-0.8074204946996466 x 100 = -80.74%