773% is the change from 100 to 873
Calculation steps:
[( 873 - 100 ) ÷ 100] x 100 = 773%
Formula
Percentage change = [(873 - 100) / 100] x 100
Subtract the new number by the original number
873 - 100 = 773
773 ÷ 100 = 7.73
7.73 x 100 = 773%
Example