-3.13% is the change from 958 to 928
Calculation steps:
[( 928 - 958 ) ÷ 958] x 100 = -3.13%
Formula
Percentage change = [(928 - 958) / 958] x 100
Subtract the new number by the original number
928 - 958 = -30
-30 ÷ 958 = -0.031315240083507306
-0.031315240083507306 x 100 = -3.13%