816% is the change from 50 to 458
Calculation steps:
[( 458 - 50 ) ÷ 50] x 100 = 816%
Formula
Percentage change = [(458 - 50) / 50] x 100
Subtract the new number by the original number
458 - 50 = 408
408 ÷ 50 = 8.16
8.16 x 100 = 816%
Example