-56.77% is the change from 687 to 297
Calculation steps:
[( 297 - 687 ) ÷ 687] x 100 = -56.77%
Formula
Percentage change = [(297 - 687) / 687] x 100
Subtract the new number by the original number
297 - 687 = -390
-390 ÷ 687 = -0.5676855895196506
-0.5676855895196506 x 100 = -56.77%