33.99% is the change from 456 to 611
Calculation steps:
[( 611 - 456 ) ÷ 456] x 100 = 33.99%
Formula
Percentage change = [(611 - 456) / 456] x 100
Subtract the new number by the original number
611 - 456 = 155
155 ÷ 456 = 0.3399122807017544
0.3399122807017544 x 100 = 33.99%