479.59% is the change from 49 to 284
Calculation steps:
[( 284 - 49 ) ÷ 49] x 100 = 479.59%
Formula
Percentage change = [(284 - 49) / 49] x 100
Subtract the new number by the original number
284 - 49 = 235
235 ÷ 49 = 4.795918367346939
4.795918367346939 x 100 = 479.59%