-92.81% is the change from 918 to 66
Calculation steps:
[( 66 - 918 ) ÷ 918] x 100 = -92.81%
Formula
Percentage change = [(66 - 918) / 918] x 100
Subtract the new number by the original number
66 - 918 = -852
-852 ÷ 918 = -0.9281045751633987
-0.9281045751633987 x 100 = -92.81%