50.95% is the change from 581 to 877
Calculation steps:
[( 877 - 581 ) ÷ 581] x 100 = 50.95%
Formula
Percentage change = [(877 - 581) / 581] x 100
Subtract the new number by the original number
877 - 581 = 296
296 ÷ 581 = 0.5094664371772806
0.5094664371772806 x 100 = 50.95%