85.27% is the change from 319 to 591
Calculation steps:
[( 591 - 319 ) ÷ 319] x 100 = 85.27%
Formula
Percentage change = [(591 - 319) / 319] x 100
Subtract the new number by the original number
591 - 319 = 272
272 ÷ 319 = 0.8526645768025078
0.8526645768025078 x 100 = 85.27%