93.53% is the change from 278 to 538
Calculation steps:
[( 538 - 278 ) ÷ 278] x 100 = 93.53%
Formula
Percentage change = [(538 - 278) / 278] x 100
Subtract the new number by the original number
538 - 278 = 260
260 ÷ 278 = 0.935251798561151
0.935251798561151 x 100 = 93.53%