28.15% is the change from 778 to 997
Calculation steps:
[( 997 - 778 ) ÷ 778] x 100 = 28.15%
Formula
Percentage change = [(997 - 778) / 778] x 100
Subtract the new number by the original number
997 - 778 = 219
219 ÷ 778 = 0.2814910025706941
0.2814910025706941 x 100 = 28.15%