59.64% is the change from 612 to 977
Calculation steps:
[( 977 - 612 ) ÷ 612] x 100 = 59.64%
Formula
Percentage change = [(977 - 612) / 612] x 100
Subtract the new number by the original number
977 - 612 = 365
365 ÷ 612 = 0.5964052287581699
0.5964052287581699 x 100 = 59.64%