-45.35% is the change from 838 to 458
Calculation steps:
[( 458 - 838 ) ÷ 838] x 100 = -45.35%
Formula
Percentage change = [(458 - 838) / 838] x 100
Subtract the new number by the original number
458 - 838 = -380
-380 ÷ 838 = -0.45346062052505964
-0.45346062052505964 x 100 = -45.35%