-1.86% is the change from 968 to 950
Calculation steps:
[( 950 - 968 ) ÷ 968] x 100 = -1.86%
Formula
Percentage change = [(950 - 968) / 968] x 100
Subtract the new number by the original number
950 - 968 = -18
-18 ÷ 968 = -0.01859504132231405
-0.01859504132231405 x 100 = -1.86%