-66.49% is the change from 919 to 308
Calculation steps:
[( 308 - 919 ) ÷ 919] x 100 = -66.49%
Formula
Percentage change = [(308 - 919) / 919] x 100
Subtract the new number by the original number
308 - 919 = -611
-611 ÷ 919 = -0.6648531011969532
-0.6648531011969532 x 100 = -66.49%