55.12% is the change from 615 to 954
Calculation steps:
[( 954 - 615 ) ÷ 615] x 100 = 55.12%
Formula
Percentage change = [(954 - 615) / 615] x 100
Subtract the new number by the original number
954 - 615 = 339
339 ÷ 615 = 0.551219512195122
0.551219512195122 x 100 = 55.12%