-75.72% is the change from 449 to 109
Calculation steps:
[( 109 - 449 ) ÷ 449] x 100 = -75.72%
Formula
Percentage change = [(109 - 449) / 449] x 100
Subtract the new number by the original number
109 - 449 = -340
-340 ÷ 449 = -0.7572383073496659
-0.7572383073496659 x 100 = -75.72%