63.65% is the change from 597 to 977
Calculation steps:
[( 977 - 597 ) ÷ 597] x 100 = 63.65%
Formula
Percentage change = [(977 - 597) / 597] x 100
Subtract the new number by the original number
977 - 597 = 380
380 ÷ 597 = 0.6365159128978225
0.6365159128978225 x 100 = 63.65%