-2.26% is the change from 972 to 950
Calculation steps:
[( 950 - 972 ) ÷ 972] x 100 = -2.26%
Formula
Percentage change = [(950 - 972) / 972] x 100
Subtract the new number by the original number
950 - 972 = -22
-22 ÷ 972 = -0.02263374485596708
-0.02263374485596708 x 100 = -2.26%