66.55% is the change from 583 to 971
Calculation steps:
[( 971 - 583 ) ÷ 583] x 100 = 66.55%
Formula
Percentage change = [(971 - 583) / 583] x 100
Subtract the new number by the original number
971 - 583 = 388
388 ÷ 583 = 0.6655231560891939
0.6655231560891939 x 100 = 66.55%