1064.29% is the change from 42 to 489
Calculation steps:
[( 489 - 42 ) ÷ 42] x 100 = 1064.29%
Formula
Percentage change = [(489 - 42) / 42] x 100
Subtract the new number by the original number
489 - 42 = 447
447 ÷ 42 = 10.642857142857142
10.642857142857142 x 100 = 1064.29%