-73.06% is the change from 245 to 66
Calculation steps:
[( 66 - 245 ) ÷ 245] x 100 = -73.06%
Formula
Percentage change = [(66 - 245) / 245] x 100
Subtract the new number by the original number
66 - 245 = -179
-179 ÷ 245 = -0.7306122448979592
-0.7306122448979592 x 100 = -73.06%