-29.79% is the change from 705 to 495
Calculation steps:
[( 495 - 705 ) ÷ 705] x 100 = -29.79%
Formula
Percentage change = [(495 - 705) / 705] x 100
Subtract the new number by the original number
495 - 705 = -210
-210 ÷ 705 = -0.2978723404255319
-0.2978723404255319 x 100 = -29.79%