-18.72% is the change from 657 to 534
Calculation steps:
[( 534 - 657 ) ÷ 657] x 100 = -18.72%
Formula
Percentage change = [(534 - 657) / 657] x 100
Subtract the new number by the original number
534 - 657 = -123
-123 ÷ 657 = -0.1872146118721461
-0.1872146118721461 x 100 = -18.72%