2.56% is the change from 975 to 1000
Calculation steps:
[( 1000 - 975 ) ÷ 975] x 100 = 2.56%
Formula
Percentage change = [(1000 - 975) / 975] x 100
Subtract the new number by the original number
1000 - 975 = 25
25 ÷ 975 = 0.02564102564102564
0.02564102564102564 x 100 = 2.56%