54.25% is the change from 636 to 981
Calculation steps:
[( 981 - 636 ) ÷ 636] x 100 = 54.25%
Formula
Percentage change = [(981 - 636) / 636] x 100
Subtract the new number by the original number
981 - 636 = 345
345 ÷ 636 = 0.5424528301886793
0.5424528301886793 x 100 = 54.25%