98.95% is the change from 287 to 571
Calculation steps:
[( 571 - 287 ) ÷ 287] x 100 = 98.95%
Formula
Percentage change = [(571 - 287) / 287] x 100
Subtract the new number by the original number
571 - 287 = 284
284 ÷ 287 = 0.9895470383275261
0.9895470383275261 x 100 = 98.95%