-51.15% is the change from 348 to 170
Calculation steps:
[( 170 - 348 ) ÷ 348] x 100 = -51.15%
Formula
Percentage change = [(170 - 348) / 348] x 100
Subtract the new number by the original number
170 - 348 = -178
-178 ÷ 348 = -0.5114942528735632
-0.5114942528735632 x 100 = -51.15%