-53.31% is the change from 966 to 451
Calculation steps:
[( 451 - 966 ) ÷ 966] x 100 = -53.31%
Formula
Percentage change = [(451 - 966) / 966] x 100
Subtract the new number by the original number
451 - 966 = -515
-515 ÷ 966 = -0.5331262939958592
-0.5331262939958592 x 100 = -53.31%