48.34% is the change from 664 to 985
Calculation steps:
[( 985 - 664 ) ÷ 664] x 100 = 48.34%
Formula
Percentage change = [(985 - 664) / 664] x 100
Subtract the new number by the original number
985 - 664 = 321
321 ÷ 664 = 0.48343373493975905
0.48343373493975905 x 100 = 48.34%