31.91% is the change from 492 to 649
Calculation steps:
[( 649 - 492 ) ÷ 492] x 100 = 31.91%
Formula
Percentage change = [(649 - 492) / 492] x 100
Subtract the new number by the original number
649 - 492 = 157
157 ÷ 492 = 0.31910569105691056
0.31910569105691056 x 100 = 31.91%