61.45% is the change from 581 to 938
Calculation steps:
[( 938 - 581 ) ÷ 581] x 100 = 61.45%
Formula
Percentage change = [(938 - 581) / 581] x 100
Subtract the new number by the original number
938 - 581 = 357
357 ÷ 581 = 0.6144578313253012
0.6144578313253012 x 100 = 61.45%