777.14% is the change from 105 to 921
Calculation steps:
[( 921 - 105 ) ÷ 105] x 100 = 777.14%
Formula
Percentage change = [(921 - 105) / 105] x 100
Subtract the new number by the original number
921 - 105 = 816
816 ÷ 105 = 7.771428571428571
7.771428571428571 x 100 = 777.14%