63.75% is the change from 320 to 524
Calculation steps:
[( 524 - 320 ) ÷ 320] x 100 = 63.75%
Formula
Percentage change = [(524 - 320) / 320] x 100
Subtract the new number by the original number
524 - 320 = 204
204 ÷ 320 = 0.6375
0.6375 x 100 = 63.75%