71.75% is the change from 531 to 912
Calculation steps:
[( 912 - 531 ) ÷ 531] x 100 = 71.75%
Formula
Percentage change = [(912 - 531) / 531] x 100
Subtract the new number by the original number
912 - 531 = 381
381 ÷ 531 = 0.7175141242937854
0.7175141242937854 x 100 = 71.75%