-77.28% is the change from 449 to 102
Calculation steps:
[( 102 - 449 ) ÷ 449] x 100 = -77.28%
Formula
Percentage change = [(102 - 449) / 449] x 100
Subtract the new number by the original number
102 - 449 = -347
-347 ÷ 449 = -0.7728285077951003
-0.7728285077951003 x 100 = -77.28%