25% is the change from 780 to 975
Calculation steps:
[( 975 - 780 ) ÷ 780] x 100 = 25%
Formula
Percentage change = [(975 - 780) / 780] x 100
Subtract the new number by the original number
975 - 780 = 195
195 ÷ 780 = 0.25
0.25 x 100 = 25%
Example