1602.63% is the change from 38 to 647
Calculation steps:
[( 647 - 38 ) ÷ 38] x 100 = 1602.63%
Formula
Percentage change = [(647 - 38) / 38] x 100
Subtract the new number by the original number
647 - 38 = 609
609 ÷ 38 = 16.026315789473685
16.026315789473685 x 100 = 1602.63%