21.44% is the change from 667 to 810
Calculation steps:
[( 810 - 667 ) ÷ 667] x 100 = 21.44%
Formula
Percentage change = [(810 - 667) / 667] x 100
Subtract the new number by the original number
810 - 667 = 143
143 ÷ 667 = 0.2143928035982009
0.2143928035982009 x 100 = 21.44%