57.21% is the change from 617 to 970
Calculation steps:
[( 970 - 617 ) ÷ 617] x 100 = 57.21%
Formula
Percentage change = [(970 - 617) / 617] x 100
Subtract the new number by the original number
970 - 617 = 353
353 ÷ 617 = 0.5721231766612642
0.5721231766612642 x 100 = 57.21%