-37.4% is the change from 778 to 487
Calculation steps:
[( 487 - 778 ) ÷ 778] x 100 = -37.4%
Formula
Percentage change = [(487 - 778) / 778] x 100
Subtract the new number by the original number
487 - 778 = -291
-291 ÷ 778 = -0.3740359897172236
-0.3740359897172236 x 100 = -37.4%