94.08% is the change from 287 to 557
Calculation steps:
[( 557 - 287 ) ÷ 287] x 100 = 94.08%
Formula
Percentage change = [(557 - 287) / 287] x 100
Subtract the new number by the original number
557 - 287 = 270
270 ÷ 287 = 0.9407665505226481
0.9407665505226481 x 100 = 94.08%