-88.3% is the change from 607 to 71
Calculation steps:
[( 71 - 607 ) ÷ 607] x 100 = -88.3%
Formula
Percentage change = [(71 - 607) / 607] x 100
Subtract the new number by the original number
71 - 607 = -536
-536 ÷ 607 = -0.8830313014827018
-0.8830313014827018 x 100 = -88.3%