97.45% is the change from 431 to 851
Calculation steps:
[( 851 - 431 ) ÷ 431] x 100 = 97.45%
Formula
Percentage change = [(851 - 431) / 431] x 100
Subtract the new number by the original number
851 - 431 = 420
420 ÷ 431 = 0.974477958236659
0.974477958236659 x 100 = 97.45%