53.81% is the change from 643 to 989
Calculation steps:
[( 989 - 643 ) ÷ 643] x 100 = 53.81%
Formula
Percentage change = [(989 - 643) / 643] x 100
Subtract the new number by the original number
989 - 643 = 346
346 ÷ 643 = 0.5381026438569206
0.5381026438569206 x 100 = 53.81%