21.37% is the change from 805 to 977
Calculation steps:
[( 977 - 805 ) ÷ 805] x 100 = 21.37%
Formula
Percentage change = [(977 - 805) / 805] x 100
Subtract the new number by the original number
977 - 805 = 172
172 ÷ 805 = 0.21366459627329193
0.21366459627329193 x 100 = 21.37%