2.12% is the change from 848 to 866
Calculation steps:
[( 866 - 848 ) ÷ 848] x 100 = 2.12%
Formula
Percentage change = [(866 - 848) / 848] x 100
Subtract the new number by the original number
866 - 848 = 18
18 ÷ 848 = 0.02122641509433962
0.02122641509433962 x 100 = 2.12%