-67.14% is the change from 350 to 115
Calculation steps:
[( 115 - 350 ) ÷ 350] x 100 = -67.14%
Formula
Percentage change = [(115 - 350) / 350] x 100
Subtract the new number by the original number
115 - 350 = -235
-235 ÷ 350 = -0.6714285714285714
-0.6714285714285714 x 100 = -67.14%