81.98% is the change from 494 to 899
Calculation steps:
[( 899 - 494 ) ÷ 494] x 100 = 81.98%
Formula
Percentage change = [(899 - 494) / 494] x 100
Subtract the new number by the original number
899 - 494 = 405
405 ÷ 494 = 0.819838056680162
0.819838056680162 x 100 = 81.98%