-89.48% is the change from 675 to 71
Calculation steps:
[( 71 - 675 ) ÷ 675] x 100 = -89.48%
Formula
Percentage change = [(71 - 675) / 675] x 100
Subtract the new number by the original number
71 - 675 = -604
-604 ÷ 675 = -0.8948148148148148
-0.8948148148148148 x 100 = -89.48%