-2.76% is the change from 977 to 950
Calculation steps:
[( 950 - 977 ) ÷ 977] x 100 = -2.76%
Formula
Percentage change = [(950 - 977) / 977] x 100
Subtract the new number by the original number
950 - 977 = -27
-27 ÷ 977 = -0.027635619242579325
-0.027635619242579325 x 100 = -2.76%