-23.19% is the change from 345 to 265
Calculation steps:
[( 265 - 345 ) ÷ 345] x 100 = -23.19%
Formula
Percentage change = [(265 - 345) / 345] x 100
Subtract the new number by the original number
265 - 345 = -80
-80 ÷ 345 = -0.2318840579710145
-0.2318840579710145 x 100 = -23.19%