-79.56% is the change from 274 to 56
Calculation steps:
[( 56 - 274 ) ÷ 274] x 100 = -79.56%
Formula
Percentage change = [(56 - 274) / 274] x 100
Subtract the new number by the original number
56 - 274 = -218
-218 ÷ 274 = -0.7956204379562044
-0.7956204379562044 x 100 = -79.56%