43.3% is the change from 642 to 920
Calculation steps:
[( 920 - 642 ) ÷ 642] x 100 = 43.3%
Formula
Percentage change = [(920 - 642) / 642] x 100
Subtract the new number by the original number
920 - 642 = 278
278 ÷ 642 = 0.43302180685358255
0.43302180685358255 x 100 = 43.3%