21.23% is the change from 702 to 851
Calculation steps:
[( 851 - 702 ) ÷ 702] x 100 = 21.23%
Formula
Percentage change = [(851 - 702) / 702] x 100
Subtract the new number by the original number
851 - 702 = 149
149 ÷ 702 = 0.21225071225071226
0.21225071225071226 x 100 = 21.23%