-77.95% is the change from 254 to 56
Calculation steps:
[( 56 - 254 ) ÷ 254] x 100 = -77.95%
Formula
Percentage change = [(56 - 254) / 254] x 100
Subtract the new number by the original number
56 - 254 = -198
-198 ÷ 254 = -0.7795275590551181
-0.7795275590551181 x 100 = -77.95%