277.22% is the change from 259 to 977
Calculation steps:
[( 977 - 259 ) ÷ 259] x 100 = 277.22%
Formula
Percentage change = [(977 - 259) / 259] x 100
Subtract the new number by the original number
977 - 259 = 718
718 ÷ 259 = 2.772200772200772
2.772200772200772 x 100 = 277.22%