23.18% is the change from 647 to 797
Calculation steps:
[( 797 - 647 ) ÷ 647] x 100 = 23.18%
Formula
Percentage change = [(797 - 647) / 647] x 100
Subtract the new number by the original number
797 - 647 = 150
150 ÷ 647 = 0.23183925811437403
0.23183925811437403 x 100 = 23.18%