550.72% is the change from 69 to 449
Calculation steps:
[( 449 - 69 ) ÷ 69] x 100 = 550.72%
Formula
Percentage change = [(449 - 69) / 69] x 100
Subtract the new number by the original number
449 - 69 = 380
380 ÷ 69 = 5.507246376811594
5.507246376811594 x 100 = 550.72%