-7.78% is the change from 771 to 711
Calculation steps:
[( 711 - 771 ) ÷ 771] x 100 = -7.78%
Formula
Percentage change = [(711 - 771) / 771] x 100
Subtract the new number by the original number
711 - 771 = -60
-60 ÷ 771 = -0.07782101167315175
-0.07782101167315175 x 100 = -7.78%