69.52% is the change from 584 to 990
Calculation steps:
[( 990 - 584 ) ÷ 584] x 100 = 69.52%
Formula
Percentage change = [(990 - 584) / 584] x 100
Subtract the new number by the original number
990 - 584 = 406
406 ÷ 584 = 0.6952054794520548
0.6952054794520548 x 100 = 69.52%