-75.45% is the change from 611 to 150
Calculation steps:
[( 150 - 611 ) ÷ 611] x 100 = -75.45%
Formula
Percentage change = [(150 - 611) / 611] x 100
Subtract the new number by the original number
150 - 611 = -461
-461 ÷ 611 = -0.7545008183306056
-0.7545008183306056 x 100 = -75.45%