-31.08% is the change from 917 to 632
Calculation steps:
[( 632 - 917 ) ÷ 917] x 100 = -31.08%
Formula
Percentage change = [(632 - 917) / 917] x 100
Subtract the new number by the original number
632 - 917 = -285
-285 ÷ 917 = -0.3107960741548528
-0.3107960741548528 x 100 = -31.08%