-54.61% is the change from 456 to 207
Calculation steps:
[( 207 - 456 ) ÷ 456] x 100 = -54.61%
Formula
Percentage change = [(207 - 456) / 456] x 100
Subtract the new number by the original number
207 - 456 = -249
-249 ÷ 456 = -0.5460526315789473
-0.5460526315789473 x 100 = -54.61%