66.27% is the change from 584 to 971
Calculation steps:
[( 971 - 584 ) ÷ 584] x 100 = 66.27%
Formula
Percentage change = [(971 - 584) / 584] x 100
Subtract the new number by the original number
971 - 584 = 387
387 ÷ 584 = 0.6626712328767124
0.6626712328767124 x 100 = 66.27%