4.79% is the change from 647 to 678
Calculation steps:
[( 678 - 647 ) ÷ 647] x 100 = 4.79%
Formula
Percentage change = [(678 - 647) / 647] x 100
Subtract the new number by the original number
678 - 647 = 31
31 ÷ 647 = 0.04791344667697063
0.04791344667697063 x 100 = 4.79%