6.23% is the change from 915 to 972
Calculation steps:
[( 972 - 915 ) ÷ 915] x 100 = 6.23%
Formula
Percentage change = [(972 - 915) / 915] x 100
Subtract the new number by the original number
972 - 915 = 57
57 ÷ 915 = 0.06229508196721312
0.06229508196721312 x 100 = 6.23%