403.64% is the change from 55 to 277
Calculation steps:
[( 277 - 55 ) ÷ 55] x 100 = 403.64%
Formula
Percentage change = [(277 - 55) / 55] x 100
Subtract the new number by the original number
277 - 55 = 222
222 ÷ 55 = 4.036363636363636
4.036363636363636 x 100 = 403.64%