20.9% is the change from 804 to 972
Calculation steps:
[( 972 - 804 ) ÷ 804] x 100 = 20.9%
Formula
Percentage change = [(972 - 804) / 804] x 100
Subtract the new number by the original number
972 - 804 = 168
168 ÷ 804 = 0.208955223880597
0.208955223880597 x 100 = 20.9%