-19.54% is the change from 389 to 313
Calculation steps:
[( 313 - 389 ) ÷ 389] x 100 = -19.54%
Formula
Percentage change = [(313 - 389) / 389] x 100
Subtract the new number by the original number
313 - 389 = -76
-76 ÷ 389 = -0.1953727506426735
-0.1953727506426735 x 100 = -19.54%