-71.97% is the change from 528 to 148
Calculation steps:
[( 148 - 528 ) ÷ 528] x 100 = -71.97%
Formula
Percentage change = [(148 - 528) / 528] x 100
Subtract the new number by the original number
148 - 528 = -380
-380 ÷ 528 = -0.7196969696969697
-0.7196969696969697 x 100 = -71.97%