717.95% is the change from 39 to 319
Calculation steps:
[( 319 - 39 ) ÷ 39] x 100 = 717.95%
Formula
Percentage change = [(319 - 39) / 39] x 100
Subtract the new number by the original number
319 - 39 = 280
280 ÷ 39 = 7.17948717948718
7.17948717948718 x 100 = 717.95%