-86.07% is the change from 402 to 56
Calculation steps:
[( 56 - 402 ) ÷ 402] x 100 = -86.07%
Formula
Percentage change = [(56 - 402) / 402] x 100
Subtract the new number by the original number
56 - 402 = -346
-346 ÷ 402 = -0.8606965174129353
-0.8606965174129353 x 100 = -86.07%