1668.42% is the change from 38 to 672
Calculation steps:
[( 672 - 38 ) ÷ 38] x 100 = 1668.42%
Formula
Percentage change = [(672 - 38) / 38] x 100
Subtract the new number by the original number
672 - 38 = 634
634 ÷ 38 = 16.68421052631579
16.68421052631579 x 100 = 1668.42%