-51.72% is the change from 174 to 84
Calculation steps:
[( 84 - 174 ) ÷ 174] x 100 = -51.72%
Formula
Percentage change = [(84 - 174) / 174] x 100
Subtract the new number by the original number
84 - 174 = -90
-90 ÷ 174 = -0.5172413793103449
-0.5172413793103449 x 100 = -51.72%