-43.2% is the change from 456 to 259
Calculation steps:
[( 259 - 456 ) ÷ 456] x 100 = -43.2%
Formula
Percentage change = [(259 - 456) / 456] x 100
Subtract the new number by the original number
259 - 456 = -197
-197 ÷ 456 = -0.43201754385964913
-0.43201754385964913 x 100 = -43.2%