-49.01% is the change from 555 to 283
Calculation steps:
[( 283 - 555 ) ÷ 555] x 100 = -49.01%
Formula
Percentage change = [(283 - 555) / 555] x 100
Subtract the new number by the original number
283 - 555 = -272
-272 ÷ 555 = -0.4900900900900901
-0.4900900900900901 x 100 = -49.01%