-82.09% is the change from 402 to 72
Calculation steps:
[( 72 - 402 ) ÷ 402] x 100 = -82.09%
Formula
Percentage change = [(72 - 402) / 402] x 100
Subtract the new number by the original number
72 - 402 = -330
-330 ÷ 402 = -0.8208955223880597
-0.8208955223880597 x 100 = -82.09%