617.95% is the change from 117 to 840
Calculation steps:
[( 840 - 117 ) ÷ 117] x 100 = 617.95%
Formula
Percentage change = [(840 - 117) / 117] x 100
Subtract the new number by the original number
840 - 117 = 723
723 ÷ 117 = 6.17948717948718
6.17948717948718 x 100 = 617.95%