48.62% is the change from 615 to 914
Calculation steps:
[( 914 - 615 ) ÷ 615] x 100 = 48.62%
Formula
Percentage change = [(914 - 615) / 615] x 100
Subtract the new number by the original number
914 - 615 = 299
299 ÷ 615 = 0.4861788617886179
0.4861788617886179 x 100 = 48.62%