-47.8% is the change from 454 to 237
Calculation steps:
[( 237 - 454 ) ÷ 454] x 100 = -47.8%
Formula
Percentage change = [(237 - 454) / 454] x 100
Subtract the new number by the original number
237 - 454 = -217
-217 ÷ 454 = -0.4779735682819383
-0.4779735682819383 x 100 = -47.8%