-3.92% is the change from 357 to 343
Calculation steps:
[( 343 - 357 ) ÷ 357] x 100 = -3.92%
Formula
Percentage change = [(343 - 357) / 357] x 100
Subtract the new number by the original number
343 - 357 = -14
-14 ÷ 357 = -0.0392156862745098
-0.0392156862745098 x 100 = -3.92%