-66.27% is the change from 913 to 308
Calculation steps:
[( 308 - 913 ) ÷ 913] x 100 = -66.27%
Formula
Percentage change = [(308 - 913) / 913] x 100
Subtract the new number by the original number
308 - 913 = -605
-605 ÷ 913 = -0.6626506024096386
-0.6626506024096386 x 100 = -66.27%