81.48% is the change from 540 to 980
Calculation steps:
[( 980 - 540 ) ÷ 540] x 100 = 81.48%
Formula
Percentage change = [(980 - 540) / 540] x 100
Subtract the new number by the original number
980 - 540 = 440
440 ÷ 540 = 0.8148148148148148
0.8148148148148148 x 100 = 81.48%