-84.03% is the change from 357 to 57
Calculation steps:
[( 57 - 357 ) ÷ 357] x 100 = -84.03%
Formula
Percentage change = [(57 - 357) / 357] x 100
Subtract the new number by the original number
57 - 357 = -300
-300 ÷ 357 = -0.8403361344537815
-0.8403361344537815 x 100 = -84.03%