79.8% is the change from 391 to 703
Calculation steps:
[( 703 - 391 ) ÷ 391] x 100 = 79.8%
Formula
Percentage change = [(703 - 391) / 391] x 100
Subtract the new number by the original number
703 - 391 = 312
312 ÷ 391 = 0.7979539641943734
0.7979539641943734 x 100 = 79.8%