-54.92% is the change from 457 to 206
Calculation steps:
[( 206 - 457 ) ÷ 457] x 100 = -54.92%
Formula
Percentage change = [(206 - 457) / 457] x 100
Subtract the new number by the original number
206 - 457 = -251
-251 ÷ 457 = -0.5492341356673961
-0.5492341356673961 x 100 = -54.92%