-37.64% is the change from 348 to 217
Calculation steps:
[( 217 - 348 ) ÷ 348] x 100 = -37.64%
Formula
Percentage change = [(217 - 348) / 348] x 100
Subtract the new number by the original number
217 - 348 = -131
-131 ÷ 348 = -0.3764367816091954
-0.3764367816091954 x 100 = -37.64%