79.9% is the change from 393 to 707
Calculation steps:
[( 707 - 393 ) ÷ 393] x 100 = 79.9%
Formula
Percentage change = [(707 - 393) / 393] x 100
Subtract the new number by the original number
707 - 393 = 314
314 ÷ 393 = 0.7989821882951654
0.7989821882951654 x 100 = 79.9%