-17.48% is the change from 801 to 661
Calculation steps:
[( 661 - 801 ) ÷ 801] x 100 = -17.48%
Formula
Percentage change = [(661 - 801) / 801] x 100
Subtract the new number by the original number
661 - 801 = -140
-140 ÷ 801 = -0.17478152309612985
-0.17478152309612985 x 100 = -17.48%