-13.93% is the change from 359 to 309
Calculation steps:
[( 309 - 359 ) ÷ 359] x 100 = -13.93%
Formula
Percentage change = [(309 - 359) / 359] x 100
Subtract the new number by the original number
309 - 359 = -50
-50 ÷ 359 = -0.1392757660167131
-0.1392757660167131 x 100 = -13.93%