-79.85% is the change from 268 to 54
Calculation steps:
[( 54 - 268 ) ÷ 268] x 100 = -79.85%
Formula
Percentage change = [(54 - 268) / 268] x 100
Subtract the new number by the original number
54 - 268 = -214
-214 ÷ 268 = -0.7985074626865671
-0.7985074626865671 x 100 = -79.85%