1222.73% is the change from 66 to 873
Calculation steps:
[( 873 - 66 ) ÷ 66] x 100 = 1222.73%
Formula
Percentage change = [(873 - 66) / 66] x 100
Subtract the new number by the original number
873 - 66 = 807
807 ÷ 66 = 12.227272727272727
12.227272727272727 x 100 = 1222.73%