-58.1% is the change from 642 to 269
Calculation steps:
[( 269 - 642 ) ÷ 642] x 100 = -58.1%
Formula
Percentage change = [(269 - 642) / 642] x 100
Subtract the new number by the original number
269 - 642 = -373
-373 ÷ 642 = -0.5809968847352025
-0.5809968847352025 x 100 = -58.1%