96.49% is the change from 313 to 615
Calculation steps:
[( 615 - 313 ) ÷ 313] x 100 = 96.49%
Formula
Percentage change = [(615 - 313) / 313] x 100
Subtract the new number by the original number
615 - 313 = 302
302 ÷ 313 = 0.9648562300319489
0.9648562300319489 x 100 = 96.49%