475% is the change from 140 to 805
Calculation steps:
[( 805 - 140 ) ÷ 140] x 100 = 475%
Formula
Percentage change = [(805 - 140) / 140] x 100
Subtract the new number by the original number
805 - 140 = 665
665 ÷ 140 = 4.75
4.75 x 100 = 475%
Example