1490.48% is the change from 42 to 668
Calculation steps:
[( 668 - 42 ) ÷ 42] x 100 = 1490.48%
Formula
Percentage change = [(668 - 42) / 42] x 100
Subtract the new number by the original number
668 - 42 = 626
626 ÷ 42 = 14.904761904761905
14.904761904761905 x 100 = 1490.48%