-90.86% is the change from 558 to 51
Calculation steps:
[( 51 - 558 ) ÷ 558] x 100 = -90.86%
Formula
Percentage change = [(51 - 558) / 558] x 100
Subtract the new number by the original number
51 - 558 = -507
-507 ÷ 558 = -0.9086021505376344
-0.9086021505376344 x 100 = -90.86%