-24.59% is the change from 911 to 687
Calculation steps:
[( 687 - 911 ) ÷ 911] x 100 = -24.59%
Formula
Percentage change = [(687 - 911) / 911] x 100
Subtract the new number by the original number
687 - 911 = -224
-224 ÷ 911 = -0.24588364434687157
-0.24588364434687157 x 100 = -24.59%