-67.04% is the change from 449 to 148
Calculation steps:
[( 148 - 449 ) ÷ 449] x 100 = -67.04%
Formula
Percentage change = [(148 - 449) / 449] x 100
Subtract the new number by the original number
148 - 449 = -301
-301 ÷ 449 = -0.6703786191536748
-0.6703786191536748 x 100 = -67.04%