-7.66% is the change from 770 to 711
Calculation steps:
[( 711 - 770 ) ÷ 770] x 100 = -7.66%
Formula
Percentage change = [(711 - 770) / 770] x 100
Subtract the new number by the original number
711 - 770 = -59
-59 ÷ 770 = -0.07662337662337662
-0.07662337662337662 x 100 = -7.66%