-22.78% is the change from 711 to 549
Calculation steps:
[( 549 - 711 ) ÷ 711] x 100 = -22.78%
Formula
Percentage change = [(549 - 711) / 711] x 100
Subtract the new number by the original number
549 - 711 = -162
-162 ÷ 711 = -0.22784810126582278
-0.22784810126582278 x 100 = -22.78%