74.4% is the change from 336 to 586
Calculation steps:
[( 586 - 336 ) ÷ 336] x 100 = 74.4%
Formula
Percentage change = [(586 - 336) / 336] x 100
Subtract the new number by the original number
586 - 336 = 250
250 ÷ 336 = 0.7440476190476191
0.7440476190476191 x 100 = 74.4%