-74.8% is the change from 611 to 154
Calculation steps:
[( 154 - 611 ) ÷ 611] x 100 = -74.8%
Formula
Percentage change = [(154 - 611) / 611] x 100
Subtract the new number by the original number
154 - 611 = -457
-457 ÷ 611 = -0.7479541734860884
-0.7479541734860884 x 100 = -74.8%