-86.98% is the change from 430 to 56
Calculation steps:
[( 56 - 430 ) ÷ 430] x 100 = -86.98%
Formula
Percentage change = [(56 - 430) / 430] x 100
Subtract the new number by the original number
56 - 430 = -374
-374 ÷ 430 = -0.8697674418604651
-0.8697674418604651 x 100 = -86.98%