8.1% is the change from 642 to 694
Calculation steps:
[( 694 - 642 ) ÷ 642] x 100 = 8.1%
Formula
Percentage change = [(694 - 642) / 642] x 100
Subtract the new number by the original number
694 - 642 = 52
52 ÷ 642 = 0.08099688473520249
0.08099688473520249 x 100 = 8.1%