66.33% is the change from 600 to 998
Calculation steps:
[( 998 - 600 ) ÷ 600] x 100 = 66.33%
Formula
Percentage change = [(998 - 600) / 600] x 100
Subtract the new number by the original number
998 - 600 = 398
398 ÷ 600 = 0.6633333333333333
0.6633333333333333 x 100 = 66.33%