21.95% is the change from 665 to 811
Calculation steps:
[( 811 - 665 ) ÷ 665] x 100 = 21.95%
Formula
Percentage change = [(811 - 665) / 665] x 100
Subtract the new number by the original number
811 - 665 = 146
146 ÷ 665 = 0.21954887218045113
0.21954887218045113 x 100 = 21.95%