-40.21% is the change from 577 to 345
Calculation steps:
[( 345 - 577 ) ÷ 577] x 100 = -40.21%
Formula
Percentage change = [(345 - 577) / 577] x 100
Subtract the new number by the original number
345 - 577 = -232
-232 ÷ 577 = -0.4020797227036395
-0.4020797227036395 x 100 = -40.21%