-69.29% is the change from 254 to 78
Calculation steps:
[( 78 - 254 ) ÷ 254] x 100 = -69.29%
Formula
Percentage change = [(78 - 254) / 254] x 100
Subtract the new number by the original number
78 - 254 = -176
-176 ÷ 254 = -0.6929133858267716
-0.6929133858267716 x 100 = -69.29%