-67.12% is the change from 657 to 216
Calculation steps:
[( 216 - 657 ) ÷ 657] x 100 = -67.12%
Formula
Percentage change = [(216 - 657) / 657] x 100
Subtract the new number by the original number
216 - 657 = -441
-441 ÷ 657 = -0.6712328767123288
-0.6712328767123288 x 100 = -67.12%