-68% is the change from 650 to 208
Calculation steps:
[( 208 - 650 ) ÷ 650] x 100 = -68%
Formula
Percentage change = [(208 - 650) / 650] x 100
Subtract the new number by the original number
208 - 650 = -442
-442 ÷ 650 = -0.68
-0.68 x 100 = -68%
Example