64.99% is the change from 397 to 655
Calculation steps:
[( 655 - 397 ) ÷ 397] x 100 = 64.99%
Formula
Percentage change = [(655 - 397) / 397] x 100
Subtract the new number by the original number
655 - 397 = 258
258 ÷ 397 = 0.6498740554156172
0.6498740554156172 x 100 = 64.99%