-24.4% is the change from 910 to 688
Calculation steps:
[( 688 - 910 ) ÷ 910] x 100 = -24.4%
Formula
Percentage change = [(688 - 910) / 910] x 100
Subtract the new number by the original number
688 - 910 = -222
-222 ÷ 910 = -0.24395604395604395
-0.24395604395604395 x 100 = -24.4%