-12.43% is the change from 555 to 486
Calculation steps:
[( 486 - 555 ) ÷ 555] x 100 = -12.43%
Formula
Percentage change = [(486 - 555) / 555] x 100
Subtract the new number by the original number
486 - 555 = -69
-69 ÷ 555 = -0.12432432432432433
-0.12432432432432433 x 100 = -12.43%