-80.49% is the change from 687 to 134
Calculation steps:
[( 134 - 687 ) ÷ 687] x 100 = -80.49%
Formula
Percentage change = [(134 - 687) / 687] x 100
Subtract the new number by the original number
134 - 687 = -553
-553 ÷ 687 = -0.8049490538573508
-0.8049490538573508 x 100 = -80.49%