-68.73% is the change from 662 to 207
Calculation steps:
[( 207 - 662 ) ÷ 662] x 100 = -68.73%
Formula
Percentage change = [(207 - 662) / 662] x 100
Subtract the new number by the original number
207 - 662 = -455
-455 ÷ 662 = -0.6873111782477341
-0.6873111782477341 x 100 = -68.73%