2139.47% is the change from 38 to 851
Calculation steps:
[( 851 - 38 ) ÷ 38] x 100 = 2139.47%
Formula
Percentage change = [(851 - 38) / 38] x 100
Subtract the new number by the original number
851 - 38 = 813
813 ÷ 38 = 21.394736842105264
21.394736842105264 x 100 = 2139.47%