101.18% is the change from 423 to 851
Calculation steps:
[( 851 - 423 ) ÷ 423] x 100 = 101.18%
Formula
Percentage change = [(851 - 423) / 423] x 100
Subtract the new number by the original number
851 - 423 = 428
428 ÷ 423 = 1.011820330969267
1.011820330969267 x 100 = 101.18%