-78.57% is the change from 966 to 207
Calculation steps:
[( 207 - 966 ) ÷ 966] x 100 = -78.57%
Formula
Percentage change = [(207 - 966) / 966] x 100
Subtract the new number by the original number
207 - 966 = -759
-759 ÷ 966 = -0.7857142857142857
-0.7857142857142857 x 100 = -78.57%