50.31% is the change from 642 to 965
Calculation steps:
[( 965 - 642 ) ÷ 642] x 100 = 50.31%
Formula
Percentage change = [(965 - 642) / 642] x 100
Subtract the new number by the original number
965 - 642 = 323
323 ÷ 642 = 0.5031152647975078
0.5031152647975078 x 100 = 50.31%
Example