8.61% is the change from 848 to 921
Calculation steps:
[( 921 - 848 ) ÷ 848] x 100 = 8.61%
Formula
Percentage change = [(921 - 848) / 848] x 100
Subtract the new number by the original number
921 - 848 = 73
73 ÷ 848 = 0.08608490566037735
0.08608490566037735 x 100 = 8.61%