42.46% is the change from 643 to 916
Calculation steps:
[( 916 - 643 ) ÷ 643] x 100 = 42.46%
Formula
Percentage change = [(916 - 643) / 643] x 100
Subtract the new number by the original number
916 - 643 = 273
273 ÷ 643 = 0.42457231726283046
0.42457231726283046 x 100 = 42.46%