-48.78% is the change from 164 to 84
Calculation steps:
[( 84 - 164 ) ÷ 164] x 100 = -48.78%
Formula
Percentage change = [(84 - 164) / 164] x 100
Subtract the new number by the original number
84 - 164 = -80
-80 ÷ 164 = -0.4878048780487805
-0.4878048780487805 x 100 = -48.78%