146.99% is the change from 249 to 615
Calculation steps:
[( 615 - 249 ) ÷ 249] x 100 = 146.99%
Formula
Percentage change = [(615 - 249) / 249] x 100
Subtract the new number by the original number
615 - 249 = 366
366 ÷ 249 = 1.4698795180722892
1.4698795180722892 x 100 = 146.99%