-90.76% is the change from 714 to 66
Calculation steps:
[( 66 - 714 ) ÷ 714] x 100 = -90.76%
Formula
Percentage change = [(66 - 714) / 714] x 100
Subtract the new number by the original number
66 - 714 = -648
-648 ÷ 714 = -0.907563025210084
-0.907563025210084 x 100 = -90.76%