48.76% is the change from 646 to 961
Calculation steps:
[( 961 - 646 ) ÷ 646] x 100 = 48.76%
Formula
Percentage change = [(961 - 646) / 646] x 100
Subtract the new number by the original number
961 - 646 = 315
315 ÷ 646 = 0.48761609907120745
0.48761609907120745 x 100 = 48.76%