-69.23% is the change from 650 to 200
Calculation steps:
[( 200 - 650 ) ÷ 650] x 100 = -69.23%
Formula
Percentage change = [(200 - 650) / 650] x 100
Subtract the new number by the original number
200 - 650 = -450
-450 ÷ 650 = -0.6923076923076923
-0.6923076923076923 x 100 = -69.23%