-10.92% is the change from 650 to 579
Calculation steps:
[( 579 - 650 ) ÷ 650] x 100 = -10.92%
Formula
Percentage change = [(579 - 650) / 650] x 100
Subtract the new number by the original number
579 - 650 = -71
-71 ÷ 650 = -0.10923076923076923
-0.10923076923076923 x 100 = -10.92%