-71.19% is the change from 649 to 187
Calculation steps:
[( 187 - 649 ) ÷ 649] x 100 = -71.19%
Formula
Percentage change = [(187 - 649) / 649] x 100
Subtract the new number by the original number
187 - 649 = -462
-462 ÷ 649 = -0.711864406779661
-0.711864406779661 x 100 = -71.19%