-19.55% is the change from 532 to 428
Calculation steps:
[( 428 - 532 ) ÷ 532] x 100 = -19.55%
Formula
Percentage change = [(428 - 532) / 532] x 100
Subtract the new number by the original number
428 - 532 = -104
-104 ÷ 532 = -0.19548872180451127
-0.19548872180451127 x 100 = -19.55%