8.1% is the change from 852 to 921
Calculation steps:
[( 921 - 852 ) ÷ 852] x 100 = 8.1%
Formula
Percentage change = [(921 - 852) / 852] x 100
Subtract the new number by the original number
921 - 852 = 69
69 ÷ 852 = 0.08098591549295775
0.08098591549295775 x 100 = 8.1%