45.26% is the change from 643 to 934
Calculation steps:
[( 934 - 643 ) ÷ 643] x 100 = 45.26%
Formula
Percentage change = [(934 - 643) / 643] x 100
Subtract the new number by the original number
934 - 643 = 291
291 ÷ 643 = 0.4525660964230171
0.4525660964230171 x 100 = 45.26%