86.52% is the change from 356 to 664
Calculation steps:
[( 664 - 356 ) ÷ 356] x 100 = 86.52%
Formula
Percentage change = [(664 - 356) / 356] x 100
Subtract the new number by the original number
664 - 356 = 308
308 ÷ 356 = 0.8651685393258427
0.8651685393258427 x 100 = 86.52%