-54.96% is the change from 997 to 449
Calculation steps:
[( 449 - 997 ) ÷ 997] x 100 = -54.96%
Formula
Percentage change = [(449 - 997) / 997] x 100
Subtract the new number by the original number
449 - 997 = -548
-548 ÷ 997 = -0.5496489468405216
-0.5496489468405216 x 100 = -54.96%