-66.49% is the change from 555 to 186
Calculation steps:
[( 186 - 555 ) ÷ 555] x 100 = -66.49%
Formula
Percentage change = [(186 - 555) / 555] x 100
Subtract the new number by the original number
186 - 555 = -369
-369 ÷ 555 = -0.6648648648648648
-0.6648648648648648 x 100 = -66.49%