-7.03% is the change from 711 to 661
Calculation steps:
[( 661 - 711 ) ÷ 711] x 100 = -7.03%
Formula
Percentage change = [(661 - 711) / 711] x 100
Subtract the new number by the original number
661 - 711 = -50
-50 ÷ 711 = -0.07032348804500703
-0.07032348804500703 x 100 = -7.03%