802% is the change from 50 to 451
Calculation steps:
[( 451 - 50 ) ÷ 50] x 100 = 802%
Formula
Percentage change = [(451 - 50) / 50] x 100
Subtract the new number by the original number
451 - 50 = 401
401 ÷ 50 = 8.02
8.02 x 100 = 802%
Example