-74.72% is the change from 534 to 135
Calculation steps:
[( 135 - 534 ) ÷ 534] x 100 = -74.72%
Formula
Percentage change = [(135 - 534) / 534] x 100
Subtract the new number by the original number
135 - 534 = -399
-399 ÷ 534 = -0.7471910112359551
-0.7471910112359551 x 100 = -74.72%