-53.94% is the change from 545 to 251
Calculation steps:
[( 251 - 545 ) ÷ 545] x 100 = -53.94%
Formula
Percentage change = [(251 - 545) / 545] x 100
Subtract the new number by the original number
251 - 545 = -294
-294 ÷ 545 = -0.5394495412844037
-0.5394495412844037 x 100 = -53.94%