-82.52% is the change from 555 to 97
Calculation steps:
[( 97 - 555 ) ÷ 555] x 100 = -82.52%
Formula
Percentage change = [(97 - 555) / 555] x 100
Subtract the new number by the original number
97 - 555 = -458
-458 ÷ 555 = -0.8252252252252252
-0.8252252252252252 x 100 = -82.52%