17.73% is the change from 643 to 757
Calculation steps:
[( 757 - 643 ) ÷ 643] x 100 = 17.73%
Formula
Percentage change = [(757 - 643) / 643] x 100
Subtract the new number by the original number
757 - 643 = 114
114 ÷ 643 = 0.17729393468118196
0.17729393468118196 x 100 = 17.73%