280.77% is the change from 78 to 297
Calculation steps:
[( 297 - 78 ) ÷ 78] x 100 = 280.77%
Formula
Percentage change = [(297 - 78) / 78] x 100
Subtract the new number by the original number
297 - 78 = 219
219 ÷ 78 = 2.8076923076923075
2.8076923076923075 x 100 = 280.77%