93.88% is the change from 278 to 539
Calculation steps:
[( 539 - 278 ) ÷ 278] x 100 = 93.88%
Formula
Percentage change = [(539 - 278) / 278] x 100
Subtract the new number by the original number
539 - 278 = 261
261 ÷ 278 = 0.9388489208633094
0.9388489208633094 x 100 = 93.88%