-66.63% is the change from 920 to 307
Calculation steps:
[( 307 - 920 ) ÷ 920] x 100 = -66.63%
Formula
Percentage change = [(307 - 920) / 920] x 100
Subtract the new number by the original number
307 - 920 = -613
-613 ÷ 920 = -0.6663043478260869
-0.6663043478260869 x 100 = -66.63%