-67.92% is the change from 957 to 307
Calculation steps:
[( 307 - 957 ) ÷ 957] x 100 = -67.92%
Formula
Percentage change = [(307 - 957) / 957] x 100
Subtract the new number by the original number
307 - 957 = -650
-650 ÷ 957 = -0.6792058516196448
-0.6792058516196448 x 100 = -67.92%