-50.99% is the change from 704 to 345
Calculation steps:
[( 345 - 704 ) ÷ 704] x 100 = -50.99%
Formula
Percentage change = [(345 - 704) / 704] x 100
Subtract the new number by the original number
345 - 704 = -359
-359 ÷ 704 = -0.5099431818181818
-0.5099431818181818 x 100 = -50.99%