-30.71% is the change from 687 to 476
Calculation steps:
[( 476 - 687 ) ÷ 687] x 100 = -30.71%
Formula
Percentage change = [(476 - 687) / 687] x 100
Subtract the new number by the original number
476 - 687 = -211
-211 ÷ 687 = -0.3071324599708879
-0.3071324599708879 x 100 = -30.71%