-88.75% is the change from 631 to 71
Calculation steps:
[( 71 - 631 ) ÷ 631] x 100 = -88.75%
Formula
Percentage change = [(71 - 631) / 631] x 100
Subtract the new number by the original number
71 - 631 = -560
-560 ÷ 631 = -0.8874801901743264
-0.8874801901743264 x 100 = -88.75%