123.64% is the change from 275 to 615
Calculation steps:
[( 615 - 275 ) ÷ 275] x 100 = 123.64%
Formula
Percentage change = [(615 - 275) / 275] x 100
Subtract the new number by the original number
615 - 275 = 340
340 ÷ 275 = 1.2363636363636363
1.2363636363636363 x 100 = 123.64%