-95.05% is the change from 687 to 34
Calculation steps:
[( 34 - 687 ) ÷ 687] x 100 = -95.05%
Formula
Percentage change = [(34 - 687) / 687] x 100
Subtract the new number by the original number
34 - 687 = -653
-653 ÷ 687 = -0.950509461426492
-0.950509461426492 x 100 = -95.05%