69.44% is the change from 396 to 671
Calculation steps:
[( 671 - 396 ) ÷ 396] x 100 = 69.44%
Formula
Percentage change = [(671 - 396) / 396] x 100
Subtract the new number by the original number
671 - 396 = 275
275 ÷ 396 = 0.6944444444444444
0.6944444444444444 x 100 = 69.44%