12.93% is the change from 866 to 978
Calculation steps:
[( 978 - 866 ) ÷ 866] x 100 = 12.93%
Formula
Percentage change = [(978 - 866) / 866] x 100
Subtract the new number by the original number
978 - 866 = 112
112 ÷ 866 = 0.12933025404157045
0.12933025404157045 x 100 = 12.93%