-92.34% is the change from 274 to 21
Calculation steps:
[( 21 - 274 ) ÷ 274] x 100 = -92.34%
Formula
Percentage change = [(21 - 274) / 274] x 100
Subtract the new number by the original number
21 - 274 = -253
-253 ÷ 274 = -0.9233576642335767
-0.9233576642335767 x 100 = -92.34%