-45.71% is the change from 455 to 247
Calculation steps:
[( 247 - 455 ) ÷ 455] x 100 = -45.71%
Formula
Percentage change = [(247 - 455) / 455] x 100
Subtract the new number by the original number
247 - 455 = -208
-208 ÷ 455 = -0.45714285714285713
-0.45714285714285713 x 100 = -45.71%