11.22% is the change from 820 to 912
Calculation steps:
[( 912 - 820 ) ÷ 820] x 100 = 11.22%
Formula
Percentage change = [(912 - 820) / 820] x 100
Subtract the new number by the original number
912 - 820 = 92
92 ÷ 820 = 0.11219512195121951
0.11219512195121951 x 100 = 11.22%