81.85% is the change from 336 to 611
Calculation steps:
[( 611 - 336 ) ÷ 336] x 100 = 81.85%
Formula
Percentage change = [(611 - 336) / 336] x 100
Subtract the new number by the original number
611 - 336 = 275
275 ÷ 336 = 0.8184523809523809
0.8184523809523809 x 100 = 81.85%