-50.22% is the change from 902 to 449
Calculation steps:
[( 449 - 902 ) ÷ 902] x 100 = -50.22%
Formula
Percentage change = [(449 - 902) / 902] x 100
Subtract the new number by the original number
449 - 902 = -453
-453 ÷ 902 = -0.5022172949002217
-0.5022172949002217 x 100 = -50.22%