-64.23% is the change from 534 to 191
Calculation steps:
[( 191 - 534 ) ÷ 534] x 100 = -64.23%
Formula
Percentage change = [(191 - 534) / 534] x 100
Subtract the new number by the original number
191 - 534 = -343
-343 ÷ 534 = -0.6423220973782772
-0.6423220973782772 x 100 = -64.23%