19.09% is the change from 817 to 973
Calculation steps:
[( 973 - 817 ) ÷ 817] x 100 = 19.09%
Formula
Percentage change = [(973 - 817) / 817] x 100
Subtract the new number by the original number
973 - 817 = 156
156 ÷ 817 = 0.1909424724602203
0.1909424724602203 x 100 = 19.09%