88% is the change from 500 to 940
Calculation steps:
[( 940 - 500 ) ÷ 500] x 100 = 88%
Formula
Percentage change = [(940 - 500) / 500] x 100
Subtract the new number by the original number
940 - 500 = 440
440 ÷ 500 = 0.88
0.88 x 100 = 88%
Example