69.64% is the change from 494 to 838
Calculation steps:
[( 838 - 494 ) ÷ 494] x 100 = 69.64%
Formula
Percentage change = [(838 - 494) / 494] x 100
Subtract the new number by the original number
838 - 494 = 344
344 ÷ 494 = 0.6963562753036437
0.6963562753036437 x 100 = 69.64%