-36.66% is the change from 911 to 577
Calculation steps:
[( 577 - 911 ) ÷ 911] x 100 = -36.66%
Formula
Percentage change = [(577 - 911) / 911] x 100
Subtract the new number by the original number
577 - 911 = -334
-334 ÷ 911 = -0.36663007683863885
-0.36663007683863885 x 100 = -36.66%