-84.75% is the change from 354 to 54
Calculation steps:
[( 54 - 354 ) ÷ 354] x 100 = -84.75%
Formula
Percentage change = [(54 - 354) / 354] x 100
Subtract the new number by the original number
54 - 354 = -300
-300 ÷ 354 = -0.847457627118644
-0.847457627118644 x 100 = -84.75%