-79.23% is the change from 260 to 54
Calculation steps:
[( 54 - 260 ) ÷ 260] x 100 = -79.23%
Formula
Percentage change = [(54 - 260) / 260] x 100
Subtract the new number by the original number
54 - 260 = -206
-206 ÷ 260 = -0.7923076923076923
-0.7923076923076923 x 100 = -79.23%