26.13% is the change from 643 to 811
Calculation steps:
[( 811 - 643 ) ÷ 643] x 100 = 26.13%
Formula
Percentage change = [(811 - 643) / 643] x 100
Subtract the new number by the original number
811 - 643 = 168
168 ÷ 643 = 0.26127527216174184
0.26127527216174184 x 100 = 26.13%