-92.21% is the change from 911 to 71
Calculation steps:
[( 71 - 911 ) ÷ 911] x 100 = -92.21%
Formula
Percentage change = [(71 - 911) / 911] x 100
Subtract the new number by the original number
71 - 911 = -840
-840 ÷ 911 = -0.9220636663007684
-0.9220636663007684 x 100 = -92.21%