-11.99% is the change from 392 to 345
Calculation steps:
[( 345 - 392 ) ÷ 392] x 100 = -11.99%
Formula
Percentage change = [(345 - 392) / 392] x 100
Subtract the new number by the original number
345 - 392 = -47
-47 ÷ 392 = -0.11989795918367346
-0.11989795918367346 x 100 = -11.99%