-15.01% is the change from 393 to 334
Calculation steps:
[( 334 - 393 ) ÷ 393] x 100 = -15.01%
Formula
Percentage change = [(334 - 393) / 393] x 100
Subtract the new number by the original number
334 - 393 = -59
-59 ÷ 393 = -0.15012722646310434
-0.15012722646310434 x 100 = -15.01%