-60.9% is the change from 711 to 278
Calculation steps:
[( 278 - 711 ) ÷ 711] x 100 = -60.9%
Formula
Percentage change = [(278 - 711) / 711] x 100
Subtract the new number by the original number
278 - 711 = -433
-433 ÷ 711 = -0.6090014064697609
-0.6090014064697609 x 100 = -60.9%