9.77% is the change from 809 to 888
Calculation steps:
[( 888 - 809 ) ÷ 809] x 100 = 9.77%
Formula
Percentage change = [(888 - 809) / 809] x 100
Subtract the new number by the original number
888 - 809 = 79
79 ÷ 809 = 0.09765142150803462
0.09765142150803462 x 100 = 9.77%