52.65% is the change from 642 to 980
Calculation steps:
[( 980 - 642 ) ÷ 642] x 100 = 52.65%
Formula
Percentage change = [(980 - 642) / 642] x 100
Subtract the new number by the original number
980 - 642 = 338
338 ÷ 642 = 0.5264797507788161
0.5264797507788161 x 100 = 52.65%