-76.73% is the change from 636 to 148
Calculation steps:
[( 148 - 636 ) ÷ 636] x 100 = -76.73%
Formula
Percentage change = [(148 - 636) / 636] x 100
Subtract the new number by the original number
148 - 636 = -488
-488 ÷ 636 = -0.7672955974842768
-0.7672955974842768 x 100 = -76.73%