700% is the change from 39 to 312
Calculation steps:
[( 312 - 39 ) ÷ 39] x 100 = 700%
Formula
Percentage change = [(312 - 39) / 39] x 100
Subtract the new number by the original number
312 - 39 = 273
273 ÷ 39 = 7
7 x 100 = 700%
Example