27.4% is the change from 770 to 981
Calculation steps:
[( 981 - 770 ) ÷ 770] x 100 = 27.4%
Formula
Percentage change = [(981 - 770) / 770] x 100
Subtract the new number by the original number
981 - 770 = 211
211 ÷ 770 = 0.274025974025974
0.274025974025974 x 100 = 27.4%