65.48% is the change from 336 to 556
Calculation steps:
[( 556 - 336 ) ÷ 336] x 100 = 65.48%
Formula
Percentage change = [(556 - 336) / 336] x 100
Subtract the new number by the original number
556 - 336 = 220
220 ÷ 336 = 0.6547619047619048
0.6547619047619048 x 100 = 65.48%