-56.91% is the change from 687 to 296
Calculation steps:
[( 296 - 687 ) ÷ 687] x 100 = -56.91%
Formula
Percentage change = [(296 - 687) / 687] x 100
Subtract the new number by the original number
296 - 687 = -391
-391 ÷ 687 = -0.5691411935953421
-0.5691411935953421 x 100 = -56.91%