30.87% is the change from 745 to 975
Calculation steps:
[( 975 - 745 ) ÷ 745] x 100 = 30.87%
Formula
Percentage change = [(975 - 745) / 745] x 100
Subtract the new number by the original number
975 - 745 = 230
230 ÷ 745 = 0.3087248322147651
0.3087248322147651 x 100 = 30.87%