700% is the change from 51 to 408
Calculation steps:
[( 408 - 51 ) ÷ 51] x 100 = 700%
Formula
Percentage change = [(408 - 51) / 51] x 100
Subtract the new number by the original number
408 - 51 = 357
357 ÷ 51 = 7
7 x 100 = 700%
Example