7.63% is the change from 642 to 691
Calculation steps:
[( 691 - 642 ) ÷ 642] x 100 = 7.63%
Formula
Percentage change = [(691 - 642) / 642] x 100
Subtract the new number by the original number
691 - 642 = 49
49 ÷ 642 = 0.0763239875389408
0.0763239875389408 x 100 = 7.63%