506.76% is the change from 74 to 449
Calculation steps:
[( 449 - 74 ) ÷ 74] x 100 = 506.76%
Formula
Percentage change = [(449 - 74) / 74] x 100
Subtract the new number by the original number
449 - 74 = 375
375 ÷ 74 = 5.0675675675675675
5.0675675675675675 x 100 = 506.76%