1671.05% is the change from 38 to 673
Calculation steps:
[( 673 - 38 ) ÷ 38] x 100 = 1671.05%
Formula
Percentage change = [(673 - 38) / 38] x 100
Subtract the new number by the original number
673 - 38 = 635
635 ÷ 38 = 16.710526315789473
16.710526315789473 x 100 = 1671.05%