45.79% is the change from 642 to 936
Calculation steps:
[( 936 - 642 ) ÷ 642] x 100 = 45.79%
Formula
Percentage change = [(936 - 642) / 642] x 100
Subtract the new number by the original number
936 - 642 = 294
294 ÷ 642 = 0.45794392523364486
0.45794392523364486 x 100 = 45.79%