52.17% is the change from 646 to 983
Calculation steps:
[( 983 - 646 ) ÷ 646] x 100 = 52.17%
Formula
Percentage change = [(983 - 646) / 646] x 100
Subtract the new number by the original number
983 - 646 = 337
337 ÷ 646 = 0.521671826625387
0.521671826625387 x 100 = 52.17%