490% is the change from 140 to 826
Calculation steps:
[( 826 - 140 ) ÷ 140] x 100 = 490%
Formula
Percentage change = [(826 - 140) / 140] x 100
Subtract the new number by the original number
826 - 140 = 686
686 ÷ 140 = 4.9
4.9 x 100 = 490%
Example