-89.64% is the change from 676 to 70
Calculation steps:
[( 70 - 676 ) ÷ 676] x 100 = -89.64%
Formula
Percentage change = [(70 - 676) / 676] x 100
Subtract the new number by the original number
70 - 676 = -606
-606 ÷ 676 = -0.8964497041420119
-0.8964497041420119 x 100 = -89.64%