-85.67% is the change from 607 to 87
Calculation steps:
[( 87 - 607 ) ÷ 607] x 100 = -85.67%
Formula
Percentage change = [(87 - 607) / 607] x 100
Subtract the new number by the original number
87 - 607 = -520
-520 ÷ 607 = -0.85667215815486
-0.85667215815486 x 100 = -85.67%