-67.76% is the change from 487 to 157
Calculation steps:
[( 157 - 487 ) ÷ 487] x 100 = -67.76%
Formula
Percentage change = [(157 - 487) / 487] x 100
Subtract the new number by the original number
157 - 487 = -330
-330 ÷ 487 = -0.6776180698151951
-0.6776180698151951 x 100 = -67.76%