-28.38% is the change from 687 to 492
Calculation steps:
[( 492 - 687 ) ÷ 687] x 100 = -28.38%
Formula
Percentage change = [(492 - 687) / 687] x 100
Subtract the new number by the original number
492 - 687 = -195
-195 ÷ 687 = -0.2838427947598253
-0.2838427947598253 x 100 = -28.38%