31.27% is the change from 646 to 848
Calculation steps:
[( 848 - 646 ) ÷ 646] x 100 = 31.27%
Formula
Percentage change = [(848 - 646) / 646] x 100
Subtract the new number by the original number
848 - 646 = 202
202 ÷ 646 = 0.3126934984520124
0.3126934984520124 x 100 = 31.27%