83.54% is the change from 316 to 580
Calculation steps:
[( 580 - 316 ) ÷ 316] x 100 = 83.54%
Formula
Percentage change = [(580 - 316) / 316] x 100
Subtract the new number by the original number
580 - 316 = 264
264 ÷ 316 = 0.8354430379746836
0.8354430379746836 x 100 = 83.54%