66.75% is the change from 391 to 652
Calculation steps:
[( 652 - 391 ) ÷ 391] x 100 = 66.75%
Formula
Percentage change = [(652 - 391) / 391] x 100
Subtract the new number by the original number
652 - 391 = 261
261 ÷ 391 = 0.6675191815856778
0.6675191815856778 x 100 = 66.75%