-83.08% is the change from 532 to 90
Calculation steps:
[( 90 - 532 ) ÷ 532] x 100 = -83.08%
Formula
Percentage change = [(90 - 532) / 532] x 100
Subtract the new number by the original number
90 - 532 = -442
-442 ÷ 532 = -0.8308270676691729
-0.8308270676691729 x 100 = -83.08%