-28.65% is the change from 911 to 650
Calculation steps:
[( 650 - 911 ) ÷ 911] x 100 = -28.65%
Formula
Percentage change = [(650 - 911) / 911] x 100
Subtract the new number by the original number
650 - 911 = -261
-261 ÷ 911 = -0.2864983534577388
-0.2864983534577388 x 100 = -28.65%