75% is the change from 284 to 497
Calculation steps:
[( 497 - 284 ) ÷ 284] x 100 = 75%
Formula
Percentage change = [(497 - 284) / 284] x 100
Subtract the new number by the original number
497 - 284 = 213
213 ÷ 284 = 0.75
0.75 x 100 = 75%
Example