1602.56% is the change from 39 to 664
Calculation steps:
[( 664 - 39 ) ÷ 39] x 100 = 1602.56%
Formula
Percentage change = [(664 - 39) / 39] x 100
Subtract the new number by the original number
664 - 39 = 625
625 ÷ 39 = 16.025641025641026
16.025641025641026 x 100 = 1602.56%