91.23% is the change from 513 to 981
Calculation steps:
[( 981 - 513 ) ÷ 513] x 100 = 91.23%
Formula
Percentage change = [(981 - 513) / 513] x 100
Subtract the new number by the original number
981 - 513 = 468
468 ÷ 513 = 0.9122807017543859
0.9122807017543859 x 100 = 91.23%