31.12% is the change from 649 to 851
Calculation steps:
[( 851 - 649 ) ÷ 649] x 100 = 31.12%
Formula
Percentage change = [(851 - 649) / 649] x 100
Subtract the new number by the original number
851 - 649 = 202
202 ÷ 649 = 0.31124807395993837
0.31124807395993837 x 100 = 31.12%