-87.59% is the change from 274 to 34
Calculation steps:
[( 34 - 274 ) ÷ 274] x 100 = -87.59%
Formula
Percentage change = [(34 - 274) / 274] x 100
Subtract the new number by the original number
34 - 274 = -240
-240 ÷ 274 = -0.8759124087591241
-0.8759124087591241 x 100 = -87.59%