-33.7% is the change from 920 to 610
Calculation steps:
[( 610 - 920 ) ÷ 920] x 100 = -33.7%
Formula
Percentage change = [(610 - 920) / 920] x 100
Subtract the new number by the original number
610 - 920 = -310
-310 ÷ 920 = -0.33695652173913043
-0.33695652173913043 x 100 = -33.7%