-78.38% is the change from 911 to 197
Calculation steps:
[( 197 - 911 ) ÷ 911] x 100 = -78.38%
Formula
Percentage change = [(197 - 911) / 911] x 100
Subtract the new number by the original number
197 - 911 = -714
-714 ÷ 911 = -0.7837541163556532
-0.7837541163556532 x 100 = -78.38%