-65.21% is the change from 687 to 239
Calculation steps:
[( 239 - 687 ) ÷ 687] x 100 = -65.21%
Formula
Percentage change = [(239 - 687) / 687] x 100
Subtract the new number by the original number
239 - 687 = -448
-448 ÷ 687 = -0.6521106259097526
-0.6521106259097526 x 100 = -65.21%