31.13% is the change from 469 to 615
Calculation steps:
[( 615 - 469 ) ÷ 469] x 100 = 31.13%
Formula
Percentage change = [(615 - 469) / 469] x 100
Subtract the new number by the original number
615 - 469 = 146
146 ÷ 469 = 0.31130063965884863
0.31130063965884863 x 100 = 31.13%