44.81% is the change from 645 to 934
Calculation steps:
[( 934 - 645 ) ÷ 645] x 100 = 44.81%
Formula
Percentage change = [(934 - 645) / 645] x 100
Subtract the new number by the original number
934 - 645 = 289
289 ÷ 645 = 0.448062015503876
0.448062015503876 x 100 = 44.81%