49.57% is the change from 581 to 869
Calculation steps:
[( 869 - 581 ) ÷ 581] x 100 = 49.57%
Formula
Percentage change = [(869 - 581) / 581] x 100
Subtract the new number by the original number
869 - 581 = 288
288 ÷ 581 = 0.49569707401032703
0.49569707401032703 x 100 = 49.57%