86.29% is the change from 321 to 598
Calculation steps:
[( 598 - 321 ) ÷ 321] x 100 = 86.29%
Formula
Percentage change = [(598 - 321) / 321] x 100
Subtract the new number by the original number
598 - 321 = 277
277 ÷ 321 = 0.8629283489096573
0.8629283489096573 x 100 = 86.29%