-83.42% is the change from 911 to 151
Calculation steps:
[( 151 - 911 ) ÷ 911] x 100 = -83.42%
Formula
Percentage change = [(151 - 911) / 911] x 100
Subtract the new number by the original number
151 - 911 = -760
-760 ÷ 911 = -0.8342480790340285
-0.8342480790340285 x 100 = -83.42%