-38.31% is the change from 449 to 277
Calculation steps:
[( 277 - 449 ) ÷ 449] x 100 = -38.31%
Formula
Percentage change = [(277 - 449) / 449] x 100
Subtract the new number by the original number
277 - 449 = -172
-172 ÷ 449 = -0.3830734966592428
-0.3830734966592428 x 100 = -38.31%