297.44% is the change from 78 to 310
Calculation steps:
[( 310 - 78 ) ÷ 78] x 100 = 297.44%
Formula
Percentage change = [(310 - 78) / 78] x 100
Subtract the new number by the original number
310 - 78 = 232
232 ÷ 78 = 2.9743589743589745
2.9743589743589745 x 100 = 297.44%