77.69% is the change from 390 to 693
Calculation steps:
[( 693 - 390 ) ÷ 390] x 100 = 77.69%
Formula
Percentage change = [(693 - 390) / 390] x 100
Subtract the new number by the original number
693 - 390 = 303
303 ÷ 390 = 0.7769230769230769
0.7769230769230769 x 100 = 77.69%