-69.29% is the change from 687 to 211
Calculation steps:
[( 211 - 687 ) ÷ 687] x 100 = -69.29%
Formula
Percentage change = [(211 - 687) / 687] x 100
Subtract the new number by the original number
211 - 687 = -476
-476 ÷ 687 = -0.6928675400291121
-0.6928675400291121 x 100 = -69.29%