-49.44% is the change from 449 to 227
Calculation steps:
[( 227 - 449 ) ÷ 449] x 100 = -49.44%
Formula
Percentage change = [(227 - 449) / 449] x 100
Subtract the new number by the original number
227 - 449 = -222
-222 ÷ 449 = -0.49443207126948774
-0.49443207126948774 x 100 = -49.44%