-55.5% is the change from 555 to 247
Calculation steps:
[( 247 - 555 ) ÷ 555] x 100 = -55.5%
Formula
Percentage change = [(247 - 555) / 555] x 100
Subtract the new number by the original number
247 - 555 = -308
-308 ÷ 555 = -0.554954954954955
-0.554954954954955 x 100 = -55.5%