704% is the change from 50 to 402
Calculation steps:
[( 402 - 50 ) ÷ 50] x 100 = 704%
Formula
Percentage change = [(402 - 50) / 50] x 100
Subtract the new number by the original number
402 - 50 = 352
352 ÷ 50 = 7.04
7.04 x 100 = 704%
Example