-53.89% is the change from 642 to 296
Calculation steps:
[( 296 - 642 ) ÷ 642] x 100 = -53.89%
Formula
Percentage change = [(296 - 642) / 642] x 100
Subtract the new number by the original number
296 - 642 = -346
-346 ÷ 642 = -0.5389408099688473
-0.5389408099688473 x 100 = -53.89%