-21.71% is the change from 737 to 577
Calculation steps:
[( 577 - 737 ) ÷ 737] x 100 = -21.71%
Formula
Percentage change = [(577 - 737) / 737] x 100
Subtract the new number by the original number
577 - 737 = -160
-160 ÷ 737 = -0.21709633649932158
-0.21709633649932158 x 100 = -21.71%