67.07% is the change from 577 to 964
Calculation steps:
[( 964 - 577 ) ÷ 577] x 100 = 67.07%
Formula
Percentage change = [(964 - 577) / 577] x 100
Subtract the new number by the original number
964 - 577 = 387
387 ÷ 577 = 0.6707105719237435
0.6707105719237435 x 100 = 67.07%