19.44% is the change from 684 to 817
Calculation steps:
[( 817 - 684 ) ÷ 684] x 100 = 19.44%
Formula
Percentage change = [(817 - 684) / 684] x 100
Subtract the new number by the original number
817 - 684 = 133
133 ÷ 684 = 0.19444444444444445
0.19444444444444445 x 100 = 19.44%