65.72% is the change from 598 to 991
Calculation steps:
[( 991 - 598 ) ÷ 598] x 100 = 65.72%
Formula
Percentage change = [(991 - 598) / 598] x 100
Subtract the new number by the original number
991 - 598 = 393
393 ÷ 598 = 0.657190635451505
0.657190635451505 x 100 = 65.72%