969.7% is the change from 66 to 706
Calculation steps:
[( 706 - 66 ) ÷ 66] x 100 = 969.7%
Formula
Percentage change = [(706 - 66) / 66] x 100
Subtract the new number by the original number
706 - 66 = 640
640 ÷ 66 = 9.696969696969697
9.696969696969697 x 100 = 969.7%