28.91% is the change from 768 to 990
Calculation steps:
[( 990 - 768 ) ÷ 768] x 100 = 28.91%
Formula
Percentage change = [(990 - 768) / 768] x 100
Subtract the new number by the original number
990 - 768 = 222
222 ÷ 768 = 0.2890625
0.2890625 x 100 = 28.91%