50% is the change from 636 to 954
Calculation steps:
[( 954 - 636 ) ÷ 636] x 100 = 50%
Formula
Percentage change = [(954 - 636) / 636] x 100
Subtract the new number by the original number
954 - 636 = 318
318 ÷ 636 = 0.5
0.5 x 100 = 50%
Example