-81.11% is the change from 778 to 147
Calculation steps:
[( 147 - 778 ) ÷ 778] x 100 = -81.11%
Formula
Percentage change = [(147 - 778) / 778] x 100
Subtract the new number by the original number
147 - 778 = -631
-631 ÷ 778 = -0.8110539845758354
-0.8110539845758354 x 100 = -81.11%