-17.32% is the change from 456 to 377
Calculation steps:
[( 377 - 456 ) ÷ 456] x 100 = -17.32%
Formula
Percentage change = [(377 - 456) / 456] x 100
Subtract the new number by the original number
377 - 456 = -79
-79 ÷ 456 = -0.17324561403508773
-0.17324561403508773 x 100 = -17.32%