6.56% is the change from 915 to 975
Calculation steps:
[( 975 - 915 ) ÷ 915] x 100 = 6.56%
Formula
Percentage change = [(975 - 915) / 915] x 100
Subtract the new number by the original number
975 - 915 = 60
60 ÷ 915 = 0.06557377049180328
0.06557377049180328 x 100 = 6.56%