-28.77% is the change from 643 to 458
Calculation steps:
[( 458 - 643 ) ÷ 643] x 100 = -28.77%
Formula
Percentage change = [(458 - 643) / 643] x 100
Subtract the new number by the original number
458 - 643 = -185
-185 ÷ 643 = -0.28771384136858474
-0.28771384136858474 x 100 = -28.77%