58.21% is the change from 615 to 973
Calculation steps:
[( 973 - 615 ) ÷ 615] x 100 = 58.21%
Formula
Percentage change = [(973 - 615) / 615] x 100
Subtract the new number by the original number
973 - 615 = 358
358 ÷ 615 = 0.5821138211382114
0.5821138211382114 x 100 = 58.21%