67.17% is the change from 597 to 998
Calculation steps:
[( 998 - 597 ) ÷ 597] x 100 = 67.17%
Formula
Percentage change = [(998 - 597) / 597] x 100
Subtract the new number by the original number
998 - 597 = 401
401 ÷ 597 = 0.6716917922948074
0.6716917922948074 x 100 = 67.17%