99.28% is the change from 277 to 552
Calculation steps:
[( 552 - 277 ) ÷ 277] x 100 = 99.28%
Formula
Percentage change = [(552 - 277) / 277] x 100
Subtract the new number by the original number
552 - 277 = 275
275 ÷ 277 = 0.9927797833935018
0.9927797833935018 x 100 = 99.28%