12.38% is the change from 864 to 971
Calculation steps:
[( 971 - 864 ) ÷ 864] x 100 = 12.38%
Formula
Percentage change = [(971 - 864) / 864] x 100
Subtract the new number by the original number
971 - 864 = 107
107 ÷ 864 = 0.12384259259259259
0.12384259259259259 x 100 = 12.38%