-50.57% is the change from 348 to 172
Calculation steps:
[( 172 - 348 ) ÷ 348] x 100 = -50.57%
Formula
Percentage change = [(172 - 348) / 348] x 100
Subtract the new number by the original number
172 - 348 = -176
-176 ÷ 348 = -0.5057471264367817
-0.5057471264367817 x 100 = -50.57%