49.15% is the change from 647 to 965
Calculation steps:
[( 965 - 647 ) ÷ 647] x 100 = 49.15%
Formula
Percentage change = [(965 - 647) / 647] x 100
Subtract the new number by the original number
965 - 647 = 318
318 ÷ 647 = 0.49149922720247297
0.49149922720247297 x 100 = 49.15%