88.65% is the change from 520 to 981
Calculation steps:
[( 981 - 520 ) ÷ 520] x 100 = 88.65%
Formula
Percentage change = [(981 - 520) / 520] x 100
Subtract the new number by the original number
981 - 520 = 461
461 ÷ 520 = 0.8865384615384615
0.8865384615384615 x 100 = 88.65%