55.76% is the change from 642 to 1000
Calculation steps:
[( 1000 - 642 ) ÷ 642] x 100 = 55.76%
Formula
Percentage change = [(1000 - 642) / 642] x 100
Subtract the new number by the original number
1000 - 642 = 358
358 ÷ 642 = 0.557632398753894
0.557632398753894 x 100 = 55.76%