-62.62% is the change from 634 to 237
Calculation steps:
[( 237 - 634 ) ÷ 634] x 100 = -62.62%
Formula
Percentage change = [(237 - 634) / 634] x 100
Subtract the new number by the original number
237 - 634 = -397
-397 ÷ 634 = -0.6261829652996845
-0.6261829652996845 x 100 = -62.62%