66.5% is the change from 591 to 984
Calculation steps:
[( 984 - 591 ) ÷ 591] x 100 = 66.5%
Formula
Percentage change = [(984 - 591) / 591] x 100
Subtract the new number by the original number
984 - 591 = 393
393 ÷ 591 = 0.6649746192893401
0.6649746192893401 x 100 = 66.5%