448% is the change from 50 to 274
Calculation steps:
[( 274 - 50 ) ÷ 50] x 100 = 448%
Formula
Percentage change = [(274 - 50) / 50] x 100
Subtract the new number by the original number
274 - 50 = 224
224 ÷ 50 = 4.48
4.48 x 100 = 448%
Example