17.42% is the change from 643 to 755
Calculation steps:
[( 755 - 643 ) ÷ 643] x 100 = 17.42%
Formula
Percentage change = [(755 - 643) / 643] x 100
Subtract the new number by the original number
755 - 643 = 112
112 ÷ 643 = 0.17418351477449456
0.17418351477449456 x 100 = 17.42%