-68.88% is the change from 662 to 206
Calculation steps:
[( 206 - 662 ) ÷ 662] x 100 = -68.88%
Formula
Percentage change = [(206 - 662) / 662] x 100
Subtract the new number by the original number
206 - 662 = -456
-456 ÷ 662 = -0.6888217522658611
-0.6888217522658611 x 100 = -68.88%