-10% is the change from 790 to 711
Calculation steps:
[( 711 - 790 ) ÷ 790] x 100 = -10%
Formula
Percentage change = [(711 - 790) / 790] x 100
Subtract the new number by the original number
711 - 790 = -79
-79 ÷ 790 = -0.1
-0.1 x 100 = -10%
Example