-77.56% is the change from 254 to 57
Calculation steps:
[( 57 - 254 ) ÷ 254] x 100 = -77.56%
Formula
Percentage change = [(57 - 254) / 254] x 100
Subtract the new number by the original number
57 - 254 = -197
-197 ÷ 254 = -0.7755905511811023
-0.7755905511811023 x 100 = -77.56%