27.82% is the change from 780 to 997
Calculation steps:
[( 997 - 780 ) ÷ 780] x 100 = 27.82%
Formula
Percentage change = [(997 - 780) / 780] x 100
Subtract the new number by the original number
997 - 780 = 217
217 ÷ 780 = 0.2782051282051282
0.2782051282051282 x 100 = 27.82%