2977.78% is the change from 9 to 277
Calculation steps:
[( 277 - 9 ) ÷ 9] x 100 = 2977.78%
Formula
Percentage change = [(277 - 9) / 9] x 100
Subtract the new number by the original number
277 - 9 = 268
268 ÷ 9 = 29.77777777777778
29.77777777777778 x 100 = 2977.78%