-91.44% is the change from 818 to 70
Calculation steps:
[( 70 - 818 ) ÷ 818] x 100 = -91.44%
Formula
Percentage change = [(70 - 818) / 818] x 100
Subtract the new number by the original number
70 - 818 = -748
-748 ÷ 818 = -0.9144254278728606
-0.9144254278728606 x 100 = -91.44%