41.14% is the change from 457 to 645
Calculation steps:
[( 645 - 457 ) ÷ 457] x 100 = 41.14%
Formula
Percentage change = [(645 - 457) / 457] x 100
Subtract the new number by the original number
645 - 457 = 188
188 ÷ 457 = 0.4113785557986871
0.4113785557986871 x 100 = 41.14%