-78.35% is the change from 254 to 55
Calculation steps:
[( 55 - 254 ) ÷ 254] x 100 = -78.35%
Formula
Percentage change = [(55 - 254) / 254] x 100
Subtract the new number by the original number
55 - 254 = -199
-199 ÷ 254 = -0.7834645669291339
-0.7834645669291339 x 100 = -78.35%