-82.23% is the change from 394 to 70
Calculation steps:
[( 70 - 394 ) ÷ 394] x 100 = -82.23%
Formula
Percentage change = [(70 - 394) / 394] x 100
Subtract the new number by the original number
70 - 394 = -324
-324 ÷ 394 = -0.8223350253807107
-0.8223350253807107 x 100 = -82.23%