-54.84% is the change from 186 to 84
Calculation steps:
[( 84 - 186 ) ÷ 186] x 100 = -54.84%
Formula
Percentage change = [(84 - 186) / 186] x 100
Subtract the new number by the original number
84 - 186 = -102
-102 ÷ 186 = -0.5483870967741935
-0.5483870967741935 x 100 = -54.84%