53.72% is the change from 646 to 993
Calculation steps:
[( 993 - 646 ) ÷ 646] x 100 = 53.72%
Formula
Percentage change = [(993 - 646) / 646] x 100
Subtract the new number by the original number
993 - 646 = 347
347 ÷ 646 = 0.5371517027863777
0.5371517027863777 x 100 = 53.72%