1700% is the change from 39 to 702
Calculation steps:
[( 702 - 39 ) ÷ 39] x 100 = 1700%
Formula
Percentage change = [(702 - 39) / 39] x 100
Subtract the new number by the original number
702 - 39 = 663
663 ÷ 39 = 17
17 x 100 = 1700%
Example