88.29% is the change from 521 to 981
Calculation steps:
[( 981 - 521 ) ÷ 521] x 100 = 88.29%
Formula
Percentage change = [(981 - 521) / 521] x 100
Subtract the new number by the original number
981 - 521 = 460
460 ÷ 521 = 0.8829174664107485
0.8829174664107485 x 100 = 88.29%