640% is the change from 105 to 777
Calculation steps:
[( 777 - 105 ) ÷ 105] x 100 = 640%
Formula
Percentage change = [(777 - 105) / 105] x 100
Subtract the new number by the original number
777 - 105 = 672
672 ÷ 105 = 6.4
6.4 x 100 = 640%
Example