1221.21% is the change from 66 to 872
Calculation steps:
[( 872 - 66 ) ÷ 66] x 100 = 1221.21%
Formula
Percentage change = [(872 - 66) / 66] x 100
Subtract the new number by the original number
872 - 66 = 806
806 ÷ 66 = 12.212121212121213
12.212121212121213 x 100 = 1221.21%