52.96% is the change from 642 to 982
Calculation steps:
[( 982 - 642 ) ÷ 642] x 100 = 52.96%
Formula
Percentage change = [(982 - 642) / 642] x 100
Subtract the new number by the original number
982 - 642 = 340
340 ÷ 642 = 0.5295950155763239
0.5295950155763239 x 100 = 52.96%