53.58% is the change from 642 to 986
Calculation steps:
[( 986 - 642 ) ÷ 642] x 100 = 53.58%
Formula
Percentage change = [(986 - 642) / 642] x 100
Subtract the new number by the original number
986 - 642 = 344
344 ÷ 642 = 0.5358255451713395
0.5358255451713395 x 100 = 53.58%