-1.89% is the change from 950 to 932
Calculation steps:
[( 932 - 950 ) ÷ 950] x 100 = -1.89%
Formula
Percentage change = [(932 - 950) / 950] x 100
Subtract the new number by the original number
932 - 950 = -18
-18 ÷ 950 = -0.018947368421052633
-0.018947368421052633 x 100 = -1.89%