-30.63% is the change from 911 to 632
Calculation steps:
[( 632 - 911 ) ÷ 911] x 100 = -30.63%
Formula
Percentage change = [(632 - 911) / 911] x 100
Subtract the new number by the original number
632 - 911 = -279
-279 ÷ 911 = -0.3062568605927552
-0.3062568605927552 x 100 = -30.63%