123.83% is the change from 277 to 620
Calculation steps:
[( 620 - 277 ) ÷ 277] x 100 = 123.83%
Formula
Percentage change = [(620 - 277) / 277] x 100
Subtract the new number by the original number
620 - 277 = 343
343 ÷ 277 = 1.2382671480144405
1.2382671480144405 x 100 = 123.83%