93.14% is the change from 306 to 591
Calculation steps:
[( 591 - 306 ) ÷ 306] x 100 = 93.14%
Formula
Percentage change = [(591 - 306) / 306] x 100
Subtract the new number by the original number
591 - 306 = 285
285 ÷ 306 = 0.9313725490196079
0.9313725490196079 x 100 = 93.14%