81.98% is the change from 394 to 717
Calculation steps:
[( 717 - 394 ) ÷ 394] x 100 = 81.98%
Formula
Percentage change = [(717 - 394) / 394] x 100
Subtract the new number by the original number
717 - 394 = 323
323 ÷ 394 = 0.8197969543147208
0.8197969543147208 x 100 = 81.98%