74.46% is the change from 278 to 485
Calculation steps:
[( 485 - 278 ) ÷ 278] x 100 = 74.46%
Formula
Percentage change = [(485 - 278) / 278] x 100
Subtract the new number by the original number
485 - 278 = 207
207 ÷ 278 = 0.7446043165467626
0.7446043165467626 x 100 = 74.46%