78.77% is the change from 358 to 640
Calculation steps:
[( 640 - 358 ) ÷ 358] x 100 = 78.77%
Formula
Percentage change = [(640 - 358) / 358] x 100
Subtract the new number by the original number
640 - 358 = 282
282 ÷ 358 = 0.7877094972067039
0.7877094972067039 x 100 = 78.77%