255.27% is the change from 275 to 977
Calculation steps:
[( 977 - 275 ) ÷ 275] x 100 = 255.27%
Formula
Percentage change = [(977 - 275) / 275] x 100
Subtract the new number by the original number
977 - 275 = 702
702 ÷ 275 = 2.5527272727272727
2.5527272727272727 x 100 = 255.27%