6.11% is the change from 819 to 869
Calculation steps:
[( 869 - 819 ) ÷ 819] x 100 = 6.11%
Formula
Percentage change = [(869 - 819) / 819] x 100
Subtract the new number by the original number
869 - 819 = 50
50 ÷ 819 = 0.06105006105006105
0.06105006105006105 x 100 = 6.11%