-5.09% is the change from 393 to 373
Calculation steps:
[( 373 - 393 ) ÷ 393] x 100 = -5.09%
Formula
Percentage change = [(373 - 393) / 393] x 100
Subtract the new number by the original number
373 - 393 = -20
-20 ÷ 393 = -0.05089058524173028
-0.05089058524173028 x 100 = -5.09%