969.05% is the change from 42 to 449
Calculation steps:
[( 449 - 42 ) ÷ 42] x 100 = 969.05%
Formula
Percentage change = [(449 - 42) / 42] x 100
Subtract the new number by the original number
449 - 42 = 407
407 ÷ 42 = 9.69047619047619
9.69047619047619 x 100 = 969.05%