-32.81% is the change from 948 to 637
Calculation steps:
[( 637 - 948 ) ÷ 948] x 100 = -32.81%
Formula
Percentage change = [(637 - 948) / 948] x 100
Subtract the new number by the original number
637 - 948 = -311
-311 ÷ 948 = -0.3280590717299578
-0.3280590717299578 x 100 = -32.81%