71.23% is the change from 497 to 851
Calculation steps:
[( 851 - 497 ) ÷ 497] x 100 = 71.23%
Formula
Percentage change = [(851 - 497) / 497] x 100
Subtract the new number by the original number
851 - 497 = 354
354 ÷ 497 = 0.7122736418511066
0.7122736418511066 x 100 = 71.23%