-36.53% is the change from 991 to 629
Calculation steps:
[( 629 - 991 ) ÷ 991] x 100 = -36.53%
Formula
Percentage change = [(629 - 991) / 991] x 100
Subtract the new number by the original number
629 - 991 = -362
-362 ÷ 991 = -0.36528758829465185
-0.36528758829465185 x 100 = -36.53%