-77.98% is the change from 109 to 24
Calculation steps:
[( 24 - 109 ) ÷ 109] x 100 = -77.98%
Formula
Percentage change = [(24 - 109) / 109] x 100
Subtract the new number by the original number
24 - 109 = -85
-85 ÷ 109 = -0.7798165137614679
-0.7798165137614679 x 100 = -77.98%