-71.23% is the change from 650 to 187
Calculation steps:
[( 187 - 650 ) ÷ 650] x 100 = -71.23%
Formula
Percentage change = [(187 - 650) / 650] x 100
Subtract the new number by the original number
187 - 650 = -463
-463 ÷ 650 = -0.7123076923076923
-0.7123076923076923 x 100 = -71.23%