29.61% is the change from 770 to 998
Calculation steps:
[( 998 - 770 ) ÷ 770] x 100 = 29.61%
Formula
Percentage change = [(998 - 770) / 770] x 100
Subtract the new number by the original number
998 - 770 = 228
228 ÷ 770 = 0.2961038961038961
0.2961038961038961 x 100 = 29.61%