1242.42% is the change from 66 to 886
Calculation steps:
[( 886 - 66 ) ÷ 66] x 100 = 1242.42%
Formula
Percentage change = [(886 - 66) / 66] x 100
Subtract the new number by the original number
886 - 66 = 820
820 ÷ 66 = 12.424242424242424
12.424242424242424 x 100 = 1242.42%