81.89% is the change from 497 to 904
Calculation steps:
[( 904 - 497 ) ÷ 497] x 100 = 81.89%
Formula
Percentage change = [(904 - 497) / 497] x 100
Subtract the new number by the original number
904 - 497 = 407
407 ÷ 497 = 0.8189134808853119
0.8189134808853119 x 100 = 81.89%