69.88% is the change from 571 to 970
Calculation steps:
[( 970 - 571 ) ÷ 571] x 100 = 69.88%
Formula
Percentage change = [(970 - 571) / 571] x 100
Subtract the new number by the original number
970 - 571 = 399
399 ÷ 571 = 0.6987740805604203
0.6987740805604203 x 100 = 69.88%