776.92% is the change from 39 to 342
Calculation steps:
[( 342 - 39 ) ÷ 39] x 100 = 776.92%
Formula
Percentage change = [(342 - 39) / 39] x 100
Subtract the new number by the original number
342 - 39 = 303
303 ÷ 39 = 7.769230769230769
7.769230769230769 x 100 = 776.92%