-79.28% is the change from 555 to 115
Calculation steps:
[( 115 - 555 ) ÷ 555] x 100 = -79.28%
Formula
Percentage change = [(115 - 555) / 555] x 100
Subtract the new number by the original number
115 - 555 = -440
-440 ÷ 555 = -0.7927927927927928
-0.7927927927927928 x 100 = -79.28%