85.31% is the change from 497 to 921
Calculation steps:
[( 921 - 497 ) ÷ 497] x 100 = 85.31%
Formula
Percentage change = [(921 - 497) / 497] x 100
Subtract the new number by the original number
921 - 497 = 424
424 ÷ 497 = 0.8531187122736419
0.8531187122736419 x 100 = 85.31%