124.45% is the change from 274 to 615
Calculation steps:
[( 615 - 274 ) ÷ 274] x 100 = 124.45%
Formula
Percentage change = [(615 - 274) / 274] x 100
Subtract the new number by the original number
615 - 274 = 341
341 ÷ 274 = 1.2445255474452555
1.2445255474452555 x 100 = 124.45%