-17.68% is the change from 803 to 661
Calculation steps:
[( 661 - 803 ) ÷ 803] x 100 = -17.68%
Formula
Percentage change = [(661 - 803) / 803] x 100
Subtract the new number by the original number
661 - 803 = -142
-142 ÷ 803 = -0.17683686176836863
-0.17683686176836863 x 100 = -17.68%