-50.44% is the change from 343 to 170
Calculation steps:
[( 170 - 343 ) ÷ 343] x 100 = -50.44%
Formula
Percentage change = [(170 - 343) / 343] x 100
Subtract the new number by the original number
170 - 343 = -173
-173 ÷ 343 = -0.5043731778425656
-0.5043731778425656 x 100 = -50.44%