-76.77% is the change from 637 to 148
Calculation steps:
[( 148 - 637 ) ÷ 637] x 100 = -76.77%
Formula
Percentage change = [(148 - 637) / 637] x 100
Subtract the new number by the original number
148 - 637 = -489
-489 ÷ 637 = -0.7676609105180534
-0.7676609105180534 x 100 = -76.77%