-93.28% is the change from 402 to 27
Calculation steps:
[( 27 - 402 ) ÷ 402] x 100 = -93.28%
Formula
Percentage change = [(27 - 402) / 402] x 100
Subtract the new number by the original number
27 - 402 = -375
-375 ÷ 402 = -0.9328358208955224
-0.9328358208955224 x 100 = -93.28%