-12.61% is the change from 555 to 485
Calculation steps:
[( 485 - 555 ) ÷ 555] x 100 = -12.61%
Formula
Percentage change = [(485 - 555) / 555] x 100
Subtract the new number by the original number
485 - 555 = -70
-70 ÷ 555 = -0.12612612612612611
-0.12612612612612611 x 100 = -12.61%