65.59% is the change from 590 to 977
Calculation steps:
[( 977 - 590 ) ÷ 590] x 100 = 65.59%
Formula
Percentage change = [(977 - 590) / 590] x 100
Subtract the new number by the original number
977 - 590 = 387
387 ÷ 590 = 0.6559322033898305
0.6559322033898305 x 100 = 65.59%