-83.88% is the change from 335 to 54
Calculation steps:
[( 54 - 335 ) ÷ 335] x 100 = -83.88%
Formula
Percentage change = [(54 - 335) / 335] x 100
Subtract the new number by the original number
54 - 335 = -281
-281 ÷ 335 = -0.8388059701492537
-0.8388059701492537 x 100 = -83.88%