1245.45% is the change from 66 to 888
Calculation steps:
[( 888 - 66 ) ÷ 66] x 100 = 1245.45%
Formula
Percentage change = [(888 - 66) / 66] x 100
Subtract the new number by the original number
888 - 66 = 822
822 ÷ 66 = 12.454545454545455
12.454545454545455 x 100 = 1245.45%