18.66% is the change from 643 to 763
Calculation steps:
[( 763 - 643 ) ÷ 643] x 100 = 18.66%
Formula
Percentage change = [(763 - 643) / 643] x 100
Subtract the new number by the original number
763 - 643 = 120
120 ÷ 643 = 0.18662519440124417
0.18662519440124417 x 100 = 18.66%