-79.96% is the change from 544 to 109
Calculation steps:
[( 109 - 544 ) ÷ 544] x 100 = -79.96%
Formula
Percentage change = [(109 - 544) / 544] x 100
Subtract the new number by the original number
109 - 544 = -435
-435 ÷ 544 = -0.7996323529411765
-0.7996323529411765 x 100 = -79.96%