45.73% is the change from 422 to 615
Calculation steps:
[( 615 - 422 ) ÷ 422] x 100 = 45.73%
Formula
Percentage change = [(615 - 422) / 422] x 100
Subtract the new number by the original number
615 - 422 = 193
193 ÷ 422 = 0.45734597156398105
0.45734597156398105 x 100 = 45.73%