28.44% is the change from 770 to 989
Calculation steps:
[( 989 - 770 ) ÷ 770] x 100 = 28.44%
Formula
Percentage change = [(989 - 770) / 770] x 100
Subtract the new number by the original number
989 - 770 = 219
219 ÷ 770 = 0.2844155844155844
0.2844155844155844 x 100 = 28.44%