-14.44% is the change from 457 to 391
Calculation steps:
[( 391 - 457 ) ÷ 457] x 100 = -14.44%
Formula
Percentage change = [(391 - 457) / 457] x 100
Subtract the new number by the original number
391 - 457 = -66
-66 ÷ 457 = -0.14442013129102846
-0.14442013129102846 x 100 = -14.44%