-49.28% is the change from 345 to 175
Calculation steps:
[( 175 - 345 ) ÷ 345] x 100 = -49.28%
Formula
Percentage change = [(175 - 345) / 345] x 100
Subtract the new number by the original number
175 - 345 = -170
-170 ÷ 345 = -0.4927536231884058
-0.4927536231884058 x 100 = -49.28%