6.77% is the change from 606 to 647
Calculation steps:
[( 647 - 606 ) ÷ 606] x 100 = 6.77%
Formula
Percentage change = [(647 - 606) / 606] x 100
Subtract the new number by the original number
647 - 606 = 41
41 ÷ 606 = 0.06765676567656766
0.06765676567656766 x 100 = 6.77%