-63.33% is the change from 450 to 165
Calculation steps:
[( 165 - 450 ) ÷ 450] x 100 = -63.33%
Formula
Percentage change = [(165 - 450) / 450] x 100
Subtract the new number by the original number
165 - 450 = -285
-285 ÷ 450 = -0.6333333333333333
-0.6333333333333333 x 100 = -63.33%