-90.97% is the change from 731 to 66
Calculation steps:
[( 66 - 731 ) ÷ 731] x 100 = -90.97%
Formula
Percentage change = [(66 - 731) / 731] x 100
Subtract the new number by the original number
66 - 731 = -665
-665 ÷ 731 = -0.9097127222982216
-0.9097127222982216 x 100 = -90.97%