-55.47% is the change from 622 to 277
Calculation steps:
[( 277 - 622 ) ÷ 622] x 100 = -55.47%
Formula
Percentage change = [(277 - 622) / 622] x 100
Subtract the new number by the original number
277 - 622 = -345
-345 ÷ 622 = -0.5546623794212219
-0.5546623794212219 x 100 = -55.47%