-69.64% is the change from 494 to 150
Calculation steps:
[( 150 - 494 ) ÷ 494] x 100 = -69.64%
Formula
Percentage change = [(150 - 494) / 494] x 100
Subtract the new number by the original number
150 - 494 = -344
-344 ÷ 494 = -0.6963562753036437
-0.6963562753036437 x 100 = -69.64%