-63.58% is the change from 637 to 232
Calculation steps:
[( 232 - 637 ) ÷ 637] x 100 = -63.58%
Formula
Percentage change = [(232 - 637) / 637] x 100
Subtract the new number by the original number
232 - 637 = -405
-405 ÷ 637 = -0.6357927786499215
-0.6357927786499215 x 100 = -63.58%