-19.46% is the change from 966 to 778
Calculation steps:
[( 778 - 966 ) ÷ 966] x 100 = -19.46%
Formula
Percentage change = [(778 - 966) / 966] x 100
Subtract the new number by the original number
778 - 966 = -188
-188 ÷ 966 = -0.19461697722567287
-0.19461697722567287 x 100 = -19.46%