54.05% is the change from 642 to 989
Calculation steps:
[( 989 - 642 ) ÷ 642] x 100 = 54.05%
Formula
Percentage change = [(989 - 642) / 642] x 100
Subtract the new number by the original number
989 - 642 = 347
347 ÷ 642 = 0.5404984423676013
0.5404984423676013 x 100 = 54.05%