-25.5% is the change from 349 to 260
Calculation steps:
[( 260 - 349 ) ÷ 349] x 100 = -25.5%
Formula
Percentage change = [(260 - 349) / 349] x 100
Subtract the new number by the original number
260 - 349 = -89
-89 ÷ 349 = -0.25501432664756446
-0.25501432664756446 x 100 = -25.5%