-57.21% is the change from 687 to 294
Calculation steps:
[( 294 - 687 ) ÷ 687] x 100 = -57.21%
Formula
Percentage change = [(294 - 687) / 687] x 100
Subtract the new number by the original number
294 - 687 = -393
-393 ÷ 687 = -0.5720524017467249
-0.5720524017467249 x 100 = -57.21%