456.86% is the change from 51 to 284
Calculation steps:
[( 284 - 51 ) ÷ 51] x 100 = 456.86%
Formula
Percentage change = [(284 - 51) / 51] x 100
Subtract the new number by the original number
284 - 51 = 233
233 ÷ 51 = 4.568627450980392
4.568627450980392 x 100 = 456.86%