446% is the change from 50 to 273
Calculation steps:
[( 273 - 50 ) ÷ 50] x 100 = 446%
Formula
Percentage change = [(273 - 50) / 50] x 100
Subtract the new number by the original number
273 - 50 = 223
223 ÷ 50 = 4.46
4.46 x 100 = 446%
Example