-13.69% is the change from 358 to 309
Calculation steps:
[( 309 - 358 ) ÷ 358] x 100 = -13.69%
Formula
Percentage change = [(309 - 358) / 358] x 100
Subtract the new number by the original number
309 - 358 = -49
-49 ÷ 358 = -0.13687150837988826
-0.13687150837988826 x 100 = -13.69%