-54.68% is the change from 545 to 247
Calculation steps:
[( 247 - 545 ) ÷ 545] x 100 = -54.68%
Formula
Percentage change = [(247 - 545) / 545] x 100
Subtract the new number by the original number
247 - 545 = -298
-298 ÷ 545 = -0.5467889908256881
-0.5467889908256881 x 100 = -54.68%