84% is the change from 500 to 920
Calculation steps:
[( 920 - 500 ) ÷ 500] x 100 = 84%
Formula
Percentage change = [(920 - 500) / 500] x 100
Subtract the new number by the original number
920 - 500 = 420
420 ÷ 500 = 0.84
0.84 x 100 = 84%
Example