-63.24% is the change from 555 to 204
Calculation steps:
[( 204 - 555 ) ÷ 555] x 100 = -63.24%
Formula
Percentage change = [(204 - 555) / 555] x 100
Subtract the new number by the original number
204 - 555 = -351
-351 ÷ 555 = -0.6324324324324324
-0.6324324324324324 x 100 = -63.24%