200% is the change from 165 to 495
Calculation steps:
[( 495 - 165 ) ÷ 165] x 100 = 200%
Formula
Percentage change = [(495 - 165) / 165] x 100
Subtract the new number by the original number
495 - 165 = 330
330 ÷ 165 = 2
2 x 100 = 200%
Example