8.21% is the change from 853 to 923
Calculation steps:
[( 923 - 853 ) ÷ 853] x 100 = 8.21%
Formula
Percentage change = [(923 - 853) / 853] x 100
Subtract the new number by the original number
923 - 853 = 70
70 ÷ 853 = 0.08206330597889801
0.08206330597889801 x 100 = 8.21%