-17.58% is the change from 802 to 661
Calculation steps:
[( 661 - 802 ) ÷ 802] x 100 = -17.58%
Formula
Percentage change = [(661 - 802) / 802] x 100
Subtract the new number by the original number
661 - 802 = -141
-141 ÷ 802 = -0.17581047381546136
-0.17581047381546136 x 100 = -17.58%