-6.77% is the change from 650 to 606
Calculation steps:
[( 606 - 650 ) ÷ 650] x 100 = -6.77%
Formula
Percentage change = [(606 - 650) / 650] x 100
Subtract the new number by the original number
606 - 650 = -44
-44 ÷ 650 = -0.06769230769230769
-0.06769230769230769 x 100 = -6.77%