147.38% is the change from 344 to 851
Calculation steps:
[( 851 - 344 ) ÷ 344] x 100 = 147.38%
Formula
Percentage change = [(851 - 344) / 344] x 100
Subtract the new number by the original number
851 - 344 = 507
507 ÷ 344 = 1.4738372093023255
1.4738372093023255 x 100 = 147.38%