-87.05% is the change from 687 to 89
Calculation steps:
[( 89 - 687 ) ÷ 687] x 100 = -87.05%
Formula
Percentage change = [(89 - 687) / 687] x 100
Subtract the new number by the original number
89 - 687 = -598
-598 ÷ 687 = -0.8704512372634643
-0.8704512372634643 x 100 = -87.05%