8.31% is the change from 842 to 912
Calculation steps:
[( 912 - 842 ) ÷ 842] x 100 = 8.31%
Formula
Percentage change = [(912 - 842) / 842] x 100
Subtract the new number by the original number
912 - 842 = 70
70 ÷ 842 = 0.0831353919239905
0.0831353919239905 x 100 = 8.31%