73.28% is the change from 393 to 681
Calculation steps:
[( 681 - 393 ) ÷ 393] x 100 = 73.28%
Formula
Percentage change = [(681 - 393) / 393] x 100
Subtract the new number by the original number
681 - 393 = 288
288 ÷ 393 = 0.732824427480916
0.732824427480916 x 100 = 73.28%