-69.77% is the change from 665 to 201
Calculation steps:
[( 201 - 665 ) ÷ 665] x 100 = -69.77%
Formula
Percentage change = [(201 - 665) / 665] x 100
Subtract the new number by the original number
201 - 665 = -464
-464 ÷ 665 = -0.6977443609022557
-0.6977443609022557 x 100 = -69.77%