-53.69% is the change from 555 to 257
Calculation steps:
[( 257 - 555 ) ÷ 555] x 100 = -53.69%
Formula
Percentage change = [(257 - 555) / 555] x 100
Subtract the new number by the original number
257 - 555 = -298
-298 ÷ 555 = -0.5369369369369369
-0.5369369369369369 x 100 = -53.69%