53.27% is the change from 642 to 984
Calculation steps:
[( 984 - 642 ) ÷ 642] x 100 = 53.27%
Formula
Percentage change = [(984 - 642) / 642] x 100
Subtract the new number by the original number
984 - 642 = 342
342 ÷ 642 = 0.5327102803738317
0.5327102803738317 x 100 = 53.27%