63.98% is the change from 608 to 997
Calculation steps:
[( 997 - 608 ) ÷ 608] x 100 = 63.98%
Formula
Percentage change = [(997 - 608) / 608] x 100
Subtract the new number by the original number
997 - 608 = 389
389 ÷ 608 = 0.6398026315789473
0.6398026315789473 x 100 = 63.98%