-22.5% is the change from 711 to 551
Calculation steps:
[( 551 - 711 ) ÷ 711] x 100 = -22.5%
Formula
Percentage change = [(551 - 711) / 711] x 100
Subtract the new number by the original number
551 - 711 = -160
-160 ÷ 711 = -0.2250351617440225
-0.2250351617440225 x 100 = -22.5%