455% is the change from 140 to 777
Calculation steps:
[( 777 - 140 ) ÷ 140] x 100 = 455%
Formula
Percentage change = [(777 - 140) / 140] x 100
Subtract the new number by the original number
777 - 140 = 637
637 ÷ 140 = 4.55
4.55 x 100 = 455%
Example