51.31% is the change from 647 to 979
Calculation steps:
[( 979 - 647 ) ÷ 647] x 100 = 51.31%
Formula
Percentage change = [(979 - 647) / 647] x 100
Subtract the new number by the original number
979 - 647 = 332
332 ÷ 647 = 0.5131375579598145
0.5131375579598145 x 100 = 51.31%