-24.64% is the change from 345 to 260
Calculation steps:
[( 260 - 345 ) ÷ 345] x 100 = -24.64%
Formula
Percentage change = [(260 - 345) / 345] x 100
Subtract the new number by the original number
260 - 345 = -85
-85 ÷ 345 = -0.2463768115942029
-0.2463768115942029 x 100 = -24.64%