124.64% is the change from 276 to 620
Calculation steps:
[( 620 - 276 ) ÷ 276] x 100 = 124.64%
Formula
Percentage change = [(620 - 276) / 276] x 100
Subtract the new number by the original number
620 - 276 = 344
344 ÷ 276 = 1.2463768115942029
1.2463768115942029 x 100 = 124.64%