-1.66% is the change from 966 to 950
Calculation steps:
[( 950 - 966 ) ÷ 966] x 100 = -1.66%
Formula
Percentage change = [(950 - 966) / 966] x 100
Subtract the new number by the original number
950 - 966 = -16
-16 ÷ 966 = -0.016563146997929608
-0.016563146997929608 x 100 = -1.66%