2.24% is the change from 847 to 866
Calculation steps:
[( 866 - 847 ) ÷ 847] x 100 = 2.24%
Formula
Percentage change = [(866 - 847) / 847] x 100
Subtract the new number by the original number
866 - 847 = 19
19 ÷ 847 = 0.02243211334120425
0.02243211334120425 x 100 = 2.24%