-85.36% is the change from 478 to 70
Calculation steps:
[( 70 - 478 ) ÷ 478] x 100 = -85.36%
Formula
Percentage change = [(70 - 478) / 478] x 100
Subtract the new number by the original number
70 - 478 = -408
-408 ÷ 478 = -0.8535564853556485
-0.8535564853556485 x 100 = -85.36%