-84.87% is the change from 357 to 54
Calculation steps:
[( 54 - 357 ) ÷ 357] x 100 = -84.87%
Formula
Percentage change = [(54 - 357) / 357] x 100
Subtract the new number by the original number
54 - 357 = -303
-303 ÷ 357 = -0.8487394957983193
-0.8487394957983193 x 100 = -84.87%