69.72% is the change from 393 to 667
Calculation steps:
[( 667 - 393 ) ÷ 393] x 100 = 69.72%
Formula
Percentage change = [(667 - 393) / 393] x 100
Subtract the new number by the original number
667 - 393 = 274
274 ÷ 393 = 0.6972010178117048
0.6972010178117048 x 100 = 69.72%