96.4% is the change from 278 to 546
Calculation steps:
[( 546 - 278 ) ÷ 278] x 100 = 96.4%
Formula
Percentage change = [(546 - 278) / 278] x 100
Subtract the new number by the original number
546 - 278 = 268
268 ÷ 278 = 0.9640287769784173
0.9640287769784173 x 100 = 96.4%