66.16% is the change from 588 to 977
Calculation steps:
[( 977 - 588 ) ÷ 588] x 100 = 66.16%
Formula
Percentage change = [(977 - 588) / 588] x 100
Subtract the new number by the original number
977 - 588 = 389
389 ÷ 588 = 0.6615646258503401
0.6615646258503401 x 100 = 66.16%