20.52% is the change from 809 to 975
Calculation steps:
[( 975 - 809 ) ÷ 809] x 100 = 20.52%
Formula
Percentage change = [(975 - 809) / 809] x 100
Subtract the new number by the original number
975 - 809 = 166
166 ÷ 809 = 0.20519159456118666
0.20519159456118666 x 100 = 20.52%