-57.08% is the change from 650 to 279
Calculation steps:
[( 279 - 650 ) ÷ 650] x 100 = -57.08%
Formula
Percentage change = [(279 - 650) / 650] x 100
Subtract the new number by the original number
279 - 650 = -371
-371 ÷ 650 = -0.5707692307692308
-0.5707692307692308 x 100 = -57.08%