68.94% is the change from 396 to 669
Calculation steps:
[( 669 - 396 ) ÷ 396] x 100 = 68.94%
Formula
Percentage change = [(669 - 396) / 396] x 100
Subtract the new number by the original number
669 - 396 = 273
273 ÷ 396 = 0.6893939393939394
0.6893939393939394 x 100 = 68.94%