-53.43% is the change from 642 to 299
Calculation steps:
[( 299 - 642 ) ÷ 642] x 100 = -53.43%
Formula
Percentage change = [(299 - 642) / 642] x 100
Subtract the new number by the original number
299 - 642 = -343
-343 ÷ 642 = -0.5342679127725857
-0.5342679127725857 x 100 = -53.43%