2.11% is the change from 804 to 821
Calculation steps:
[( 821 - 804 ) ÷ 804] x 100 = 2.11%
Formula
Percentage change = [(821 - 804) / 804] x 100
Subtract the new number by the original number
821 - 804 = 17
17 ÷ 804 = 0.021144278606965175
0.021144278606965175 x 100 = 2.11%