82.59% is the change from 316 to 577
Calculation steps:
[( 577 - 316 ) ÷ 316] x 100 = 82.59%
Formula
Percentage change = [(577 - 316) / 316] x 100
Subtract the new number by the original number
577 - 316 = 261
261 ÷ 316 = 0.8259493670886076
0.8259493670886076 x 100 = 82.59%