-72.3% is the change from 538 to 149
Calculation steps:
[( 149 - 538 ) ÷ 538] x 100 = -72.3%
Formula
Percentage change = [(149 - 538) / 538] x 100
Subtract the new number by the original number
149 - 538 = -389
-389 ÷ 538 = -0.7230483271375465
-0.7230483271375465 x 100 = -72.3%