89.42% is the change from 312 to 591
Calculation steps:
[( 591 - 312 ) ÷ 312] x 100 = 89.42%
Formula
Percentage change = [(591 - 312) / 312] x 100
Subtract the new number by the original number
591 - 312 = 279
279 ÷ 312 = 0.8942307692307693
0.8942307692307693 x 100 = 89.42%