68.58% is the change from 592 to 998
Calculation steps:
[( 998 - 592 ) ÷ 592] x 100 = 68.58%
Formula
Percentage change = [(998 - 592) / 592] x 100
Subtract the new number by the original number
998 - 592 = 406
406 ÷ 592 = 0.6858108108108109
0.6858108108108109 x 100 = 68.58%