3.42% is the change from 819 to 847
Calculation steps:
[( 847 - 819 ) ÷ 819] x 100 = 3.42%
Formula
Percentage change = [(847 - 819) / 819] x 100
Subtract the new number by the original number
847 - 819 = 28
28 ÷ 819 = 0.03418803418803419
0.03418803418803419 x 100 = 3.42%