1681.58% is the change from 38 to 677
Calculation steps:
[( 677 - 38 ) ÷ 38] x 100 = 1681.58%
Formula
Percentage change = [(677 - 38) / 38] x 100
Subtract the new number by the original number
677 - 38 = 639
639 ÷ 38 = 16.81578947368421
16.81578947368421 x 100 = 1681.58%