1.5% is the change from 866 to 879
Calculation steps:
[( 879 - 866 ) ÷ 866] x 100 = 1.5%
Formula
Percentage change = [(879 - 866) / 866] x 100
Subtract the new number by the original number
879 - 866 = 13
13 ÷ 866 = 0.015011547344110854
0.015011547344110854 x 100 = 1.5%