-41.95% is the change from 534 to 310
Calculation steps:
[( 310 - 534 ) ÷ 534] x 100 = -41.95%
Formula
Percentage change = [(310 - 534) / 534] x 100
Subtract the new number by the original number
310 - 534 = -224
-224 ÷ 534 = -0.41947565543071164
-0.41947565543071164 x 100 = -41.95%