-66.09% is the change from 920 to 312
Calculation steps:
[( 312 - 920 ) ÷ 920] x 100 = -66.09%
Formula
Percentage change = [(312 - 920) / 920] x 100
Subtract the new number by the original number
312 - 920 = -608
-608 ÷ 920 = -0.6608695652173913
-0.6608695652173913 x 100 = -66.09%