80.56% is the change from 540 to 975
Calculation steps:
[( 975 - 540 ) ÷ 540] x 100 = 80.56%
Formula
Percentage change = [(975 - 540) / 540] x 100
Subtract the new number by the original number
975 - 540 = 435
435 ÷ 540 = 0.8055555555555556
0.8055555555555556 x 100 = 80.56%