-33.55% is the change from 933 to 620
Calculation steps:
[( 620 - 933 ) ÷ 933] x 100 = -33.55%
Formula
Percentage change = [(620 - 933) / 933] x 100
Subtract the new number by the original number
620 - 933 = -313
-313 ÷ 933 = -0.3354769560557342
-0.3354769560557342 x 100 = -33.55%