6.49% is the change from 647 to 689
Calculation steps:
[( 689 - 647 ) ÷ 647] x 100 = 6.49%
Formula
Percentage change = [(689 - 647) / 647] x 100
Subtract the new number by the original number
689 - 647 = 42
42 ÷ 647 = 0.06491499227202473
0.06491499227202473 x 100 = 6.49%