-67.26% is the change from 449 to 147
Calculation steps:
[( 147 - 449 ) ÷ 449] x 100 = -67.26%
Formula
Percentage change = [(147 - 449) / 449] x 100
Subtract the new number by the original number
147 - 449 = -302
-302 ÷ 449 = -0.6726057906458798
-0.6726057906458798 x 100 = -67.26%