-74.02% is the change from 966 to 251
Calculation steps:
[( 251 - 966 ) ÷ 966] x 100 = -74.02%
Formula
Percentage change = [(251 - 966) / 966] x 100
Subtract the new number by the original number
251 - 966 = -715
-715 ÷ 966 = -0.7401656314699793
-0.7401656314699793 x 100 = -74.02%