36.36% is the change from 451 to 615
Calculation steps:
[( 615 - 451 ) ÷ 451] x 100 = 36.36%
Formula
Percentage change = [(615 - 451) / 451] x 100
Subtract the new number by the original number
615 - 451 = 164
164 ÷ 451 = 0.36363636363636365
0.36363636363636365 x 100 = 36.36%