-42.9% is the change from 345 to 197
Calculation steps:
[( 197 - 345 ) ÷ 345] x 100 = -42.9%
Formula
Percentage change = [(197 - 345) / 345] x 100
Subtract the new number by the original number
197 - 345 = -148
-148 ÷ 345 = -0.4289855072463768
-0.4289855072463768 x 100 = -42.9%