83.18% is the change from 321 to 588
Calculation steps:
[( 588 - 321 ) ÷ 321] x 100 = 83.18%
Formula
Percentage change = [(588 - 321) / 321] x 100
Subtract the new number by the original number
588 - 321 = 267
267 ÷ 321 = 0.8317757009345794
0.8317757009345794 x 100 = 83.18%