986.36% is the change from 66 to 717
Calculation steps:
[( 717 - 66 ) ÷ 66] x 100 = 986.36%
Formula
Percentage change = [(717 - 66) / 66] x 100
Subtract the new number by the original number
717 - 66 = 651
651 ÷ 66 = 9.863636363636363
9.863636363636363 x 100 = 986.36%