-36.54% is the change from 665 to 422
Calculation steps:
[( 422 - 665 ) ÷ 665] x 100 = -36.54%
Formula
Percentage change = [(422 - 665) / 665] x 100
Subtract the new number by the original number
422 - 665 = -243
-243 ÷ 665 = -0.36541353383458647
-0.36541353383458647 x 100 = -36.54%