-67.85% is the change from 650 to 209
Calculation steps:
[( 209 - 650 ) ÷ 650] x 100 = -67.85%
Formula
Percentage change = [(209 - 650) / 650] x 100
Subtract the new number by the original number
209 - 650 = -441
-441 ÷ 650 = -0.6784615384615384
-0.6784615384615384 x 100 = -67.85%