-26.72% is the change from 711 to 521
Calculation steps:
[( 521 - 711 ) ÷ 711] x 100 = -26.72%
Formula
Percentage change = [(521 - 711) / 711] x 100
Subtract the new number by the original number
521 - 711 = -190
-190 ÷ 711 = -0.2672292545710267
-0.2672292545710267 x 100 = -26.72%