102.1% is the change from 286 to 578
Calculation steps:
[( 578 - 286 ) ÷ 286] x 100 = 102.1%
Formula
Percentage change = [(578 - 286) / 286] x 100
Subtract the new number by the original number
578 - 286 = 292
292 ÷ 286 = 1.020979020979021
1.020979020979021 x 100 = 102.1%