298.73% is the change from 79 to 315
Calculation steps:
[( 315 - 79 ) ÷ 79] x 100 = 298.73%
Formula
Percentage change = [(315 - 79) / 79] x 100
Subtract the new number by the original number
315 - 79 = 236
236 ÷ 79 = 2.9873417721518987
2.9873417721518987 x 100 = 298.73%