-50.29% is the change from 346 to 172
Calculation steps:
[( 172 - 346 ) ÷ 346] x 100 = -50.29%
Formula
Percentage change = [(172 - 346) / 346] x 100
Subtract the new number by the original number
172 - 346 = -174
-174 ÷ 346 = -0.5028901734104047
-0.5028901734104047 x 100 = -50.29%