3857.14% is the change from 7 to 277
Calculation steps:
[( 277 - 7 ) ÷ 7] x 100 = 3857.14%
Formula
Percentage change = [(277 - 7) / 7] x 100
Subtract the new number by the original number
277 - 7 = 270
270 ÷ 7 = 38.57142857142857
38.57142857142857 x 100 = 3857.14%