45.48% is the change from 642 to 934
Calculation steps:
[( 934 - 642 ) ÷ 642] x 100 = 45.48%
Formula
Percentage change = [(934 - 642) / 642] x 100
Subtract the new number by the original number
934 - 642 = 292
292 ÷ 642 = 0.45482866043613707
0.45482866043613707 x 100 = 45.48%