239.51% is the change from 286 to 971
Calculation steps:
[( 971 - 286 ) ÷ 286] x 100 = 239.51%
Formula
Percentage change = [(971 - 286) / 286] x 100
Subtract the new number by the original number
971 - 286 = 685
685 ÷ 286 = 2.395104895104895
2.395104895104895 x 100 = 239.51%