21.79% is the change from 661 to 805
Calculation steps:
[( 805 - 661 ) ÷ 661] x 100 = 21.79%
Formula
Percentage change = [(805 - 661) / 661] x 100
Subtract the new number by the original number
805 - 661 = 144
144 ÷ 661 = 0.2178517397881997
0.2178517397881997 x 100 = 21.79%