87.46% is the change from 311 to 583
Calculation steps:
[( 583 - 311 ) ÷ 311] x 100 = 87.46%
Formula
Percentage change = [(583 - 311) / 311] x 100
Subtract the new number by the original number
583 - 311 = 272
272 ÷ 311 = 0.8745980707395499
0.8745980707395499 x 100 = 87.46%