2.63% is the change from 950 to 975
Calculation steps:
[( 975 - 950 ) ÷ 950] x 100 = 2.63%
Formula
Percentage change = [(975 - 950) / 950] x 100
Subtract the new number by the original number
975 - 950 = 25
25 ÷ 950 = 0.02631578947368421
0.02631578947368421 x 100 = 2.63%