-29.32% is the change from 665 to 470
Calculation steps:
[( 470 - 665 ) ÷ 665] x 100 = -29.32%
Formula
Percentage change = [(470 - 665) / 665] x 100
Subtract the new number by the original number
470 - 665 = -195
-195 ÷ 665 = -0.2932330827067669
-0.2932330827067669 x 100 = -29.32%