-50.27% is the change from 551 to 274
Calculation steps:
[( 274 - 551 ) ÷ 551] x 100 = -50.27%
Formula
Percentage change = [(274 - 551) / 551] x 100
Subtract the new number by the original number
274 - 551 = -277
-277 ÷ 551 = -0.5027223230490018
-0.5027223230490018 x 100 = -50.27%