64% is the change from 300 to 492
Calculation steps:
[( 492 - 300 ) ÷ 300] x 100 = 64%
Formula
Percentage change = [(492 - 300) / 300] x 100
Subtract the new number by the original number
492 - 300 = 192
192 ÷ 300 = 0.64
0.64 x 100 = 64%
Example