299.35% is the change from 154 to 615
Calculation steps:
[( 615 - 154 ) ÷ 154] x 100 = 299.35%
Formula
Percentage change = [(615 - 154) / 154] x 100
Subtract the new number by the original number
615 - 154 = 461
461 ÷ 154 = 2.9935064935064934
2.9935064935064934 x 100 = 299.35%