-64.2% is the change from 419 to 150
Calculation steps:
[( 150 - 419 ) ÷ 419] x 100 = -64.2%
Formula
Percentage change = [(150 - 419) / 419] x 100
Subtract the new number by the original number
150 - 419 = -269
-269 ÷ 419 = -0.6420047732696897
-0.6420047732696897 x 100 = -64.2%