67.06% is the change from 598 to 999
Calculation steps:
[( 999 - 598 ) ÷ 598] x 100 = 67.06%
Formula
Percentage change = [(999 - 598) / 598] x 100
Subtract the new number by the original number
999 - 598 = 401
401 ÷ 598 = 0.6705685618729097
0.6705685618729097 x 100 = 67.06%