-64.14% is the change from 449 to 161
Calculation steps:
[( 161 - 449 ) ÷ 449] x 100 = -64.14%
Formula
Percentage change = [(161 - 449) / 449] x 100
Subtract the new number by the original number
161 - 449 = -288
-288 ÷ 449 = -0.6414253897550112
-0.6414253897550112 x 100 = -64.14%