-66.06% is the change from 663 to 225
Calculation steps:
[( 225 - 663 ) ÷ 663] x 100 = -66.06%
Formula
Percentage change = [(225 - 663) / 663] x 100
Subtract the new number by the original number
225 - 663 = -438
-438 ÷ 663 = -0.6606334841628959
-0.6606334841628959 x 100 = -66.06%