32.09% is the change from 642 to 848
Calculation steps:
[( 848 - 642 ) ÷ 642] x 100 = 32.09%
Formula
Percentage change = [(848 - 642) / 642] x 100
Subtract the new number by the original number
848 - 642 = 206
206 ÷ 642 = 0.32087227414330216
0.32087227414330216 x 100 = 32.09%