49.32% is the change from 657 to 981
Calculation steps:
[( 981 - 657 ) ÷ 657] x 100 = 49.32%
Formula
Percentage change = [(981 - 657) / 657] x 100
Subtract the new number by the original number
981 - 657 = 324
324 ÷ 657 = 0.4931506849315068
0.4931506849315068 x 100 = 49.32%