60.43% is the change from 609 to 977
Calculation steps:
[( 977 - 609 ) ÷ 609] x 100 = 60.43%
Formula
Percentage change = [(977 - 609) / 609] x 100
Subtract the new number by the original number
977 - 609 = 368
368 ÷ 609 = 0.6042692939244664
0.6042692939244664 x 100 = 60.43%