-73.96% is the change from 987 to 257
Calculation steps:
[( 257 - 987 ) ÷ 987] x 100 = -73.96%
Formula
Percentage change = [(257 - 987) / 987] x 100
Subtract the new number by the original number
257 - 987 = -730
-730 ÷ 987 = -0.7396149949341438
-0.7396149949341438 x 100 = -73.96%