-25.22% is the change from 920 to 688
Calculation steps:
[( 688 - 920 ) ÷ 920] x 100 = -25.22%
Formula
Percentage change = [(688 - 920) / 920] x 100
Subtract the new number by the original number
688 - 920 = -232
-232 ÷ 920 = -0.25217391304347825
-0.25217391304347825 x 100 = -25.22%