-80.85% is the change from 449 to 86
Calculation steps:
[( 86 - 449 ) ÷ 449] x 100 = -80.85%
Formula
Percentage change = [(86 - 449) / 449] x 100
Subtract the new number by the original number
86 - 449 = -363
-363 ÷ 449 = -0.8084632516703786
-0.8084632516703786 x 100 = -80.85%