83.09% is the change from 337 to 617
Calculation steps:
[( 617 - 337 ) ÷ 337] x 100 = 83.09%
Formula
Percentage change = [(617 - 337) / 337] x 100
Subtract the new number by the original number
617 - 337 = 280
280 ÷ 337 = 0.8308605341246291
0.8308605341246291 x 100 = 83.09%