-82.93% is the change from 410 to 70
Calculation steps:
[( 70 - 410 ) ÷ 410] x 100 = -82.93%
Formula
Percentage change = [(70 - 410) / 410] x 100
Subtract the new number by the original number
70 - 410 = -340
-340 ÷ 410 = -0.8292682926829268
-0.8292682926829268 x 100 = -82.93%