84.94% is the change from 312 to 577
Calculation steps:
[( 577 - 312 ) ÷ 312] x 100 = 84.94%
Formula
Percentage change = [(577 - 312) / 312] x 100
Subtract the new number by the original number
577 - 312 = 265
265 ÷ 312 = 0.8493589743589743
0.8493589743589743 x 100 = 84.94%