39.97% is the change from 613 to 858
Calculation steps:
[( 858 - 613 ) ÷ 613] x 100 = 39.97%
Formula
Percentage change = [(858 - 613) / 613] x 100
Subtract the new number by the original number
858 - 613 = 245
245 ÷ 613 = 0.399673735725938
0.399673735725938 x 100 = 39.97%