-55.05% is the change from 545 to 245
Calculation steps:
[( 245 - 545 ) ÷ 545] x 100 = -55.05%
Formula
Percentage change = [(245 - 545) / 545] x 100
Subtract the new number by the original number
245 - 545 = -300
-300 ÷ 545 = -0.5504587155963303
-0.5504587155963303 x 100 = -55.05%