31.02% is the change from 619 to 811
Calculation steps:
[( 811 - 619 ) ÷ 619] x 100 = 31.02%
Formula
Percentage change = [(811 - 619) / 619] x 100
Subtract the new number by the original number
811 - 619 = 192
192 ÷ 619 = 0.31017770597738287
0.31017770597738287 x 100 = 31.02%