-47.33% is the change from 450 to 237
Calculation steps:
[( 237 - 450 ) ÷ 450] x 100 = -47.33%
Formula
Percentage change = [(237 - 450) / 450] x 100
Subtract the new number by the original number
237 - 450 = -213
-213 ÷ 450 = -0.47333333333333333
-0.47333333333333333 x 100 = -47.33%