-96.35% is the change from 274 to 10
Calculation steps:
[( 10 - 274 ) ÷ 274] x 100 = -96.35%
Formula
Percentage change = [(10 - 274) / 274] x 100
Subtract the new number by the original number
10 - 274 = -264
-264 ÷ 274 = -0.9635036496350365
-0.9635036496350365 x 100 = -96.35%