66.33% is the change from 588 to 978
Calculation steps:
[( 978 - 588 ) ÷ 588] x 100 = 66.33%
Formula
Percentage change = [(978 - 588) / 588] x 100
Subtract the new number by the original number
978 - 588 = 390
390 ÷ 588 = 0.6632653061224489
0.6632653061224489 x 100 = 66.33%