716% is the change from 50 to 408
Calculation steps:
[( 408 - 50 ) ÷ 50] x 100 = 716%
Formula
Percentage change = [(408 - 50) / 50] x 100
Subtract the new number by the original number
408 - 50 = 358
358 ÷ 50 = 7.16
7.16 x 100 = 716%
Example