71.1% is the change from 571 to 977
Calculation steps:
[( 977 - 571 ) ÷ 571] x 100 = 71.1%
Formula
Percentage change = [(977 - 571) / 571] x 100
Subtract the new number by the original number
977 - 571 = 406
406 ÷ 571 = 0.7110332749562172
0.7110332749562172 x 100 = 71.1%