-19.85% is the change from 665 to 533
Calculation steps:
[( 533 - 665 ) ÷ 665] x 100 = -19.85%
Formula
Percentage change = [(533 - 665) / 665] x 100
Subtract the new number by the original number
533 - 665 = -132
-132 ÷ 665 = -0.19849624060150375
-0.19849624060150375 x 100 = -19.85%