978.79% is the change from 66 to 712
Calculation steps:
[( 712 - 66 ) ÷ 66] x 100 = 978.79%
Formula
Percentage change = [(712 - 66) / 66] x 100
Subtract the new number by the original number
712 - 66 = 646
646 ÷ 66 = 9.787878787878787
9.787878787878787 x 100 = 978.79%