-86.27% is the change from 357 to 49
Calculation steps:
[( 49 - 357 ) ÷ 357] x 100 = -86.27%
Formula
Percentage change = [(49 - 357) / 357] x 100
Subtract the new number by the original number
49 - 357 = -308
-308 ÷ 357 = -0.8627450980392157
-0.8627450980392157 x 100 = -86.27%