-82.84% is the change from 408 to 70
Calculation steps:
[( 70 - 408 ) ÷ 408] x 100 = -82.84%
Formula
Percentage change = [(70 - 408) / 408] x 100
Subtract the new number by the original number
70 - 408 = -338
-338 ÷ 408 = -0.8284313725490197
-0.8284313725490197 x 100 = -82.84%