-46.71% is the change from 456 to 243
Calculation steps:
[( 243 - 456 ) ÷ 456] x 100 = -46.71%
Formula
Percentage change = [(243 - 456) / 456] x 100
Subtract the new number by the original number
243 - 456 = -213
-213 ÷ 456 = -0.46710526315789475
-0.46710526315789475 x 100 = -46.71%