-60.55% is the change from 687 to 271
Calculation steps:
[( 271 - 687 ) ÷ 687] x 100 = -60.55%
Formula
Percentage change = [(271 - 687) / 687] x 100
Subtract the new number by the original number
271 - 687 = -416
-416 ÷ 687 = -0.6055312954876274
-0.6055312954876274 x 100 = -60.55%