16.75% is the change from 770 to 899
Calculation steps:
[( 899 - 770 ) ÷ 770] x 100 = 16.75%
Formula
Percentage change = [(899 - 770) / 770] x 100
Subtract the new number by the original number
899 - 770 = 129
129 ÷ 770 = 0.16753246753246753
0.16753246753246753 x 100 = 16.75%